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BNY Mellon Investment Grade Funds, Inc., et al. – ‘485BPOS’ on 11/30/20

On:  Monday, 11/30/20, at 9:36am ET   ·   Effective:  12/1/20   ·   Accession #:  889169-20-33   ·   File #s:  33-48926, 811-06718

Previous ‘485BPOS’:  ‘485BPOS’ on 12/6/19   ·   Next:  ‘485BPOS’ on 11/29/21   ·   Latest:  ‘485BPOS’ on 11/27/23   ·   41 References:   By:  BNY Mellon Investment Funds VII, Inc. – Latest ‘485BPOS’ on 11/27/23 By:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/28/22 By:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 5/6/22 By:  BNY Mellon Investment Funds VII, Inc. – ‘485APOS’ on 3/1/22 By:  BNY Mellon Investment Funds VII, Inc. – Next ‘485BPOS’ on 11/29/21 To:  BNY Mellon Investment Funds VII, Inc. – ‘N-CSR’ on 9/29/20 for 7/31/20 To:  Bny Mellon Opportunity Funds – ‘N-CSR’ on 9/28/20 for 7/31/20 To:  BNY Mellon Sustainable U.S. Equity Fund, Inc. – ‘N-CSR’ on 7/29/20 for 5/31/20 To:  Dreyfus Institutional Reserves Funds – ‘N-CSR’ on 6/30/20 for 4/30/20 To:  Citizensselect Funds – ‘N-CSR’ on 6/30/20 for 4/30/20 To:  Dreyfus Institutional Reserves Funds – ‘N-CSR’ on 6/1/20 for 3/31/20 To:  Bny Mellon Short Term Municipal Bond Fund – ‘N-CSR’ on 6/1/20 for 3/31/20 To:  Citizensselect Funds – ‘N-CSR’ on 5/29/20 for 3/31/20 To:  Dreyfus Institutional Preferred Money Market Funds – ‘N-CSR’ on 5/29/20 for 3/31/20 To:  Dreyfus Amt-Free Municipal Cash Management Plus – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Amt-Free New York Municipal Cash Management – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Tax Exempt Cash Management Funds – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Treasury Obligations Cash Management – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Treasury Securities Cash Management – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Government Cash Management Funds – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  Dreyfus Cash Management – ‘N-CSR’ on 3/26/20 for 1/31/20 To:  BNY Mellon Large Cap Securities Fund, Inc. – ‘N-CSR’ on 3/2/20 for 12/31/19 To:  Dreyfus Liquid Assets, Inc. – ‘N-CSR’ on 3/2/20 for 12/31/19 To:  Bny Mellon Ultra Short Income Fund – ‘N-CSR’ on 1/29/20 for 11/30/19 To:  Dreyfus Institutional Liquidity Funds – ‘N-CSR’ on 1/29/20 for 11/30/19 To:  Bny Mellon Opportunity Funds – ‘N-CSR’ on 11/29/19 for 9/30/19 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/26/19 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 3/23/17 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/25/16 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/27/13 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 6/19/13 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/28/12 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/25/11 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/30/07 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/28/06 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/28/03 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 10/31/02 To:  BNY Mellon Investment Funds VII, Inc. – ‘485APOS’ on 8/2/02 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/14/01 To:  BNY Mellon Investment Funds VII, Inc. – ‘485APOS’ on 5/2/01 To:  BNY Mellon Investment Funds VII, Inc. – ‘485BPOS’ on 11/28/95 

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  As Of               Filer                 Filing    For·On·As Docs:Size

11/30/20  BNY Mellon Inv Grade Funds, Inc.  485BPOS    12/01/20   22:8.5M
          → BNY Mellon Inflation Adjusted Securities Fund ⇒ Class I (DIASX) — Class Y (DAIYX) — Investor Shares (DIAVX)
          → BNY Mellon Short Term Income Fund ⇒ Class D (DSTIX) — Class P (DSHPX)

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13: R2          Risk/Return Summary- BNY Mellon Inflation Adjusted  HTML    124K 
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15: R9          Risk/Return Summary- Class D Prospectus - BNY       HTML    134K 
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File No. 33-48926

811-06718

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM  i N-1A

REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 [X]

 Pre-Effective Amendment No.  [__]

 Post-Effective Amendment No. 69  [X]

and/or

REGISTRATION STATEMENT UNDER THE INVESTMENT COMPANY ACT OF 1940 [X]

 Amendment No. 69  [X]

(Check appropriate box or boxes.)

 i BNY Mellon Investment Grade Funds, Inc.

(Exact Name of Registrant as Specified in Charter)

c/o BNY Mellon Investment Adviser, Inc.

240 Greenwich Street, New York, New York 10286

(Address of Principal Executive Offices) (Zip Code)

 Registrant's Telephone Number, including Area Code: (212) 922-6400

Bennett A. MacDougall, Esq.

240 Greenwich Street

New York, New York 10286

(Name and Address of Agent for Service)

It is proposed that this filing will become effective (check appropriate box)

 __ immediately upon filing pursuant to paragraph (b)

 X  on  i December 1, 2020 pursuant to paragraph (b)

 ____ days after filing pursuant to paragraph (a)(1)

 __ on (date) pursuant to paragraph (a)(1)

 ____ days after filing pursuant to paragraph (a)(2)

 __ on (date) pursuant to paragraph (a)(2) of Rule 485

If appropriate, check the following box:

 __ this post-effective amendment designates a new effective date for a previously filed post-effective amendment.

BNY Mellon Inflation Adjusted
Securities Fund

Prospectus |  i December 1, 2020

Class  Ticker

I   i DIASX

Investor   i DIAVX

Y   i DAIYX

As with all mutual funds, the Securities and Exchange Commission has not approved or disapproved
these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is
a criminal offense.

Contents

See back cover.

 i Fund Summary

 i Example

 i Portfolio Turnover

1

The fund seeks to keep the average effective duration of its portfolio at two to ten years. The fund may invest in individual fixed-income securities of any maturity or duration. The fund may adjust its portfolio holdings or average effective duration based on actual or anticipated changes in interest rates or credit quality. A bond's maturity is the length of time until the principal must be fully repaid with interest. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates.

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

● Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. Investments that are illiquid or that trade in lower volumes may be more difficult to value. Investments in foreign securities tend to have greater exposure to liquidity risk than

2

domestic securities. Liquidity risk also may refer to the risk that the fund will not be able to pay redemption proceeds within the allowable time period stated in this prospectus because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions, which may adversely affect the fund's share price.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

3

The fund's investment adviser is BNY Mellon Investment Adviser, Inc. (BNYM Investment Adviser).

Investment decisions for the fund are made by a team of portfolio managers from Mellon Investments Corporation (Mellon), an affiliate of BNYM Investment Adviser. The team members are Robert Bayston, CFA, and Nate Pearson, CFA, each of whom also is an employee of BNYM Investment Adviser. Mr. Bayston has been a managing director and primary portfolio manager of the fund since January 2005 and is responsible for all U.S. Treasury/government strategies including U.S. TIPS mandates with Mellon. Mr. Pearson is a vice president and has been a primary portfolio manager of the fund since July 2012. He is responsible for interest rate strategy, as well as research, analysis and portfolio management of U.S. government strategies at Mellon.

In general, the fund's minimum initial investment is $10,000 with respect to Investor shares, $1,000 with respect to Class I shares and $1,000,000 for Class Y shares (the minimum initial investment in Class I shares for foundations and endowments is $1,000,000), and the minimum subsequent investment is $100 with respect to Investor shares and Class I shares, with no minimum subsequent investment for Class Y shares. You may sell (redeem) your shares on any business day by calling 1-800-373-9387 (inside the U.S. only) or by visiting www.bnymellonim.com/us. If you invested in the fund through a third party, such as a bank, broker-dealer or financial adviser, or through a Retirement Plan (as defined below), you may mail your request to sell shares to BNY Mellon Institutional Department, P.O. Box 9882, Providence, Rhode Island 02940-8082. If you invested directly through the fund, you may mail your request to sell shares to BNY Mellon Shareholder Services, P.O. Box 9879, Providence, Rhode Island 02940-8079. If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for instructions.

Retirement Plans include qualified or non-qualified employee benefit plans, such as 401(k), 403(b)(7), Keogh, pension, profit-sharing and other deferred compensation plans, whether established by corporations, partnerships, sole proprietorships, non-profit entities, trade or labor unions, or state and local governments, but do not include IRAs (including, without limitation, traditional IRAs, Roth IRAs, Coverdell Education Savings Accounts, IRA "Rollover Accounts" or IRAs set up under Simplified Employee Pension Plans (SEP-IRAs), Salary Reduction Simplified Employee Pension Plans (SARSEPs) or Savings Incentive Match Plans for Employees (SIMPLE IRAs)).

The fund's distributions are taxable as ordinary income or capital gains, except when your investment is through an IRA, Retirement Plan or other U.S. tax-advantaged investment plan (in which case you may be taxed upon withdrawal of your investment from such account).

If you purchase shares through a broker-dealer or other financial intermediary (such as a bank), the fund's distributor and its related companies may pay the intermediary for the sale of fund shares and related services. To the extent that the intermediary may receive lesser or no payments in connection with the sale of other investments, the payments from the fund's distributor and its related companies may create a potential conflict of interest by influencing the broker-dealer or other intermediary and your financial representative to recommend the fund over the other investments. This potential conflict of interest may be addressed by policies, procedures or practices adopted by the financial intermediary. As there may be many different policies, procedures or practices adopted by different intermediaries to address the manner in which compensation is earned through the sale of investments or the provision of related services, the compensation rates and other payment arrangements that may apply to a financial intermediary and its representatives may vary by intermediary. Ask your financial representative or visit your financial intermediary's website for more information.

4

Fund Details

The fund seeks returns that exceed the rate of inflation. To pursue its goal, the fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in inflation-indexed securities. These are fixed-income securities designed to protect investors from a loss of value due to inflation by periodically adjusting their principal and/or coupon according to the rate of inflation. The inflation-indexed securities issued by the U.S. Treasury and some foreign government issuers, for example, accrue inflation into the principal value of the bond. Other issuers may pay out the Consumer Price Index accruals as part of a semi-annual coupon.

The fund primarily invests in high quality, U.S. dollar-denominated, inflation-indexed securities. To a limited extent, the fund may invest in foreign currency-denominated, inflation-protected securities and other fixed-income securities not adjusted for inflation which are rated investment grade (i.e., Baa/BBB) or the unrated equivalent as determined by BNYM Investment Adviser. Such other fixed-income securities may include: U.S. government bonds and notes, corporate bonds, mortgage-related securities and asset-backed securities.

The fund seeks to keep the average effective duration of its portfolio at two to ten years. The fund may invest in individual fixed-income securities of any maturity or duration. The fund may adjust its portfolio holdings or average effective duration based on actual or anticipated changes in interest rates or credit quality. A bond's maturity is the length of time until the principal must be fully repaid with interest. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates. Generally, the longer a bond's duration, the more likely it is to react to interest rate fluctuations and the greater its long-term risk/return potential. In calculating average effective duration, the fund may treat a security that can be repurchased by its issuer on an earlier date (known as a "call date") as maturing on the call date rather than on its stated maturity date.

The portfolio managers buy and sell fixed-income securities based on valuation and changes in outlook for interest rates and inflation.  Fixed-income securities with valuations expected to cheapen may be sold, while those offering more attractive valuation for the expected interest rate environment are potential buy candidates.

Although not a principal investment strategy, the fund may, but is not required to, use derivative instruments as a substitute for investing directly in an underlying asset, to increase returns, to manage interest rate risk, to manage the effective duration or maturity of the fund's portfolio, or as part of a hedging strategy. The derivative instruments in which the fund may invest include principally options, futures and options on futures (including those relating to securities, foreign currencies, indices and interest rates), forward contracts and swaps (including interest rate and credit default swaps). To the extent such derivative instruments have similar economic characteristics to inflation-indexed securities as described in the fund's policy with respect to the investment of at least 80% of its net assets, the market value of such instruments will be included in the 80% policy. Derivatives may be entered into on established exchanges or through privately negotiated transactions referred to as over-the-counter derivatives. A derivatives contract will obligate or entitle the fund to deliver or receive an asset or cash payment based on the change in value of the underlying asset. When the fund enters into derivatives transactions, it may be required to segregate liquid assets or enter into offsetting positions or otherwise cover its obligations, in accordance with applicable regulations, while the positions are open. The fund also may engage in short-selling, typically for hedging purposes, such as to limit exposure to a possible market decline in the value of its portfolio securities.

The fund may lend its portfolio securities to brokers, dealers and other financial institutions needing to borrow securities to complete certain transactions. Loans of portfolio securities may not exceed 33-1/3% of the value of the fund's total assets.

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the FDIC or any other government agency. It is not a complete investment program. The value of your investment in the fund will fluctuate, sometimes dramatically, which means you could lose money.

● Fixed-income market risk. The market value of a fixed-income security may decline due to general market conditions that are not specifically related to a particular company, such as real or perceived adverse economic conditions, changes in the outlook for corporate earnings, changes in interest or currency rates or adverse investor sentiment generally. The fixed-income securities market can be susceptible to increases in volatility and decreases in liquidity.

5

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

● Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. Other market developments can adversely affect fixed-income securities markets. Regulations and business practices, for example, have led some financial intermediaries to curtail their capacity to engage in trading (i.e., "market making") activities for certain fixed-income securities, which could have the potential to decrease liquidity and increase volatility in the fixed-income securities markets. Investments that are illiquid or that trade in lower volumes may be more difficult to value. Investments in foreign

6

securities tend to have greater exposure to liquidity risk than domestic securities. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). Liquidity risk also may refer to the risk that the fund will not be able to pay redemption proceeds within the allowable time period stated in this prospectus because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions, which may adversely affect the fund's share price.

● Government securities risk. Not all obligations of the U.S. government, its agencies and instrumentalities are backed by the full faith and credit of the U.S. Treasury. Some obligations are backed only by the credit of the issuing agency or instrumentality, and in some cases there may be some risk of default by the issuer. Any guarantee by the U.S. government or its agencies or instrumentalities of a security held by the fund does not apply to the market value of such security or to shares of the fund itself. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed only as to the timely payment of interest and principal when held to maturity. In addition, because many types of U.S. government securities trade actively outside the United States, their prices may rise and fall as changes in global economic conditions affect the demand for these securities.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

In addition to the principal risks described above, the fund is subject to the following additional risks that are not anticipated to be principal risks of investing in the fund:

● Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall, lowering the value of the fund's investment in such security. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

● Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services, or factors that affect the issuer's industry, such as labor shortages or increased production costs and competitive conditions within an industry.

● Derivatives risk. A small investment in derivatives could have a potentially large impact on the fund's performance. The use of derivatives involves risks different from, or possibly greater than, the risks associated with investing directly in the underlying assets, and the fund's use of derivatives may result in losses to the fund. Derivatives in which the fund may invest can be highly volatile, illiquid and difficult to value, and there is the risk that changes in the value of a derivative held by the fund will not correlate with the underlying assets or the fund's other investments in the manner intended. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment, and involve greater risks than the underlying assets because, in addition to general market risks, they are subject to liquidity risk, credit and counterparty risk (failure of the counterparty to the derivatives transaction to honor its obligation) and pricing risk (risk that the derivative cannot or will not be accurately valued). Future rules and regulations of the Securities and Exchange Commission (SEC) may require the fund to alter, perhaps materially, its use of derivatives.

● Leverage risk. The use of leverage, such as lending portfolio securities, entering into futures contracts or forward currency contracts, and engaging in forward commitment transactions, may magnify the fund's gains or losses. Because many derivatives have a leverage component, adverse changes in the value or level of the underlying asset or reference rate can result in a loss substantially greater than the amount invested in the derivative itself. In addition, the fund's short sales positions effectively leverage the fund's assets.

● Short sale risk. The fund may make short sales, which involves selling a security it does not own in anticipation that the security's price will decline. Short sales expose the fund to the risk that it will be required to buy the security sold short (also known as "covering" the short position) at a time when the security has appreciated in value, thus resulting in a loss to the fund. Short positions in stocks involve more risk than long positions in stocks because the maximum sustainable loss on a stock purchased is limited to the amount paid for the stock plus the transaction costs, whereas there is no maximum attainable price on the shorted stock. As such, theoretically, stocks sold short have unlimited risk. The fund may not always be able to close out a short position at a particular time or at an acceptable price. The fund may not always be able to borrow a security the fund seeks to sell short at a particular time or at an acceptable price. Moreover, if the lender of a borrowed security requires the fund to return the security to it on short notice, and the fund is unable to borrow the security from another lender, the fund may have to buy the borrowed security at an

7

unfavorable price, resulting in a loss. Thus, there is a risk that the fund may be unable to engage in short selling due to a lack of available stocks or for some other reason. It is possible that the market value of the securities the fund holds in long positions will decline at the same time that the market value of the securities the fund has sold short increases, thereby increasing the fund's potential volatility.

● Mortgage-related securities risk. Mortgage-related securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. The fund is subject to the credit risk associated with these securities, including the market's perception of the creditworthiness of the issuing federal agency, as well as the credit quality of the underlying assets. Although certain mortgage-related securities are guaranteed as to the timely payment of interest and principal by a third party (such as a U.S. government agency or instrumentality with respect to government-related mortgage-backed securities) the market prices for such securities are not guaranteed and will fluctuate. As with other interest-bearing securities, the prices of certain mortgage-related securities are inversely affected by changes in interest rates. However, although the value of a mortgage-related security may decline when interest rates rise, the converse is not necessarily true, since in periods of declining interest rates the mortgages underlying the security are more likely to be prepaid causing the fund to purchase new securities at current market rates, which usually will be lower. The loss of higher yielding underlying mortgages and the reinvestment of proceeds at lower interest rates, known as prepayment risk, can reduce the fund's potential price gain in response to falling interest rates, reduce the fund's yield and/or cause the fund's share price to fall. When interest rates rise, the effective duration of the fund's mortgage-related and other asset-backed securities may lengthen due to a drop in prepayments of the underlying mortgages or other assets. This is known as extension risk and would increase the fund's sensitivity to rising interest rates and its potential for price declines.

● Asset-backed securities risk. Asset-backed securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. General downturns in the economy could cause the value of asset-backed securities to fall. In addition, asset-backed securities present certain risks that are not presented by mortgage-backed securities. Primarily, these securities may provide the fund with a less effective security interest in the related collateral than do mortgage-backed securities. Therefore, there is the possibility that recoveries on the underlying collateral may not, in some cases, be available to support payments on these securities.

● Portfolio turnover risk. The fund may engage in short-term trading, which could produce higher transaction costs and taxable distributions, and lower the fund's after-tax performance.

● Securities lending risk. The fund may lend its portfolio securities to brokers, dealers and other financial institutions. In connection with such loans, the fund will receive collateral from the borrower equal to at least 100% of the value of the loaned securities. If the borrower of the securities fails financially, there could be delays in recovering the loaned securities or exercising rights to the collateral.

● Temporary investment risk. Under adverse market conditions, the fund could invest some or all of its assets in U.S. Treasury securities and money market securities. Although the fund would do this for temporary defensive purposes, it could reduce the benefit from any upswing in the market. During such periods, the fund's investments may not be consistent with its principal investment strategy and the fund may not achieve its investment objective.

● Market risk. The value of the securities in which the fund invests may be affected by political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or segments of the market.  In addition, turbulence in financial markets and reduced liquidity in equity, credit and/or fixed income markets may negatively affect many issuers, which could adversely affect the fund.  Global economies and financial markets are becoming increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers in a different country, region or financial market.  These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies world-wide.  Recent examples include pandemic risks related to COVID-19 and aggressive measures taken world-wide in response by governments, including closing borders, restricting international and domestic travel, and the imposition of prolonged quarantines of large populations, and by businesses, including changes to operations and reducing staff.  The effects of COVID-19 have contributed to increased volatility in global markets and will likely affect certain countries, companies, industries and market sectors more dramatically than others. The COVID-19 pandemic has had, and any other outbreak of an infectious disease or other serious public health concern could have, a significant negative impact on economic and market conditions and could trigger a prolonged period of global economic slowdown. To the extent the fund may overweight its investments in certain countries, companies, industries or market sectors, such positions will increase the fund's exposure to risk of loss from adverse developments affecting those countries, companies, industries or sectors.

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The asset management philosophy of BNYM Investment Adviser is based on the belief that discipline and consistency are important to investment success. For each fund, BNYM Investment Adviser seeks to establish clear guidelines for portfolio management and to be systematic in making decisions. This approach is designed to provide each fund with a distinct, stable identity.

Investment decisions for the fund are made by a team of portfolio managers from Mellon Investments Corporation, an affiliate of BNYM Investment Adviser. The team members are Robert Bayston, CFA, and Nate Pearson, CFA. Messrs. Bayston and Pearson are jointly and primarily responsible for managing the fund's portfolio. Mr. Bayston has been a managing director and primary portfolio manager of the fund since January 2005 and is responsible for the portfolio management of all U.S. Treasury/government strategies including U.S. TIPS mandates with Mellon. He has been employed by Mellon, or a predecessor company of Mellon, since 1991, and by BNYM Investment Adviser since September 2001. Mr. Pearson is a vice president and has been a primary portfolio manager of the fund since July 2012. He is responsible for interest rate strategy, as well as the research, analysis and portfolio management of U.S. government strategies at Mellon. He has been employed by Mellon, or a predecessor company of Mellon, since 2005, and by BNYM Investment Adviser since July 2012. Messrs. Bayston and Pearson manage the fund in their capacity as employees of BNYM Investment Adviser.

The fund's Statement of Additional Information (SAI) provides additional portfolio manager information, including compensation, other accounts managed and ownership of fund shares.

BNY Mellon Securities Corporation (BNYMSC), a wholly-owned subsidiary of BNYM Investment Adviser, serves as distributor of the fund and of the other funds in the BNY Mellon Family of Funds. Any Rule 12b-1 fees and shareholder services fees, as applicable, are paid to BNYMSC for financing the sale and distribution of fund shares and for providing shareholder account service and maintenance, respectively. BNYM Investment Adviser or BNYMSC may provide cash payments out of its own resources to financial intermediaries that sell shares of funds in the BNY Mellon Family of Funds or provide other services. Such payments are separate from any sales charges, 12b-1 fees and/or shareholder services fees or other expenses that may be paid by a fund to those financial intermediaries. Because those payments are not made by fund shareholders or the fund, the fund's total expense ratio will not be affected by any such payments. These payments may be made to financial intermediaries, including affiliates, that provide shareholder servicing, sub-administration, recordkeeping and/or sub-transfer agency services, marketing support and/or access to sales meetings, sales representatives and management representatives of the financial intermediary. Cash compensation also may be paid from BNYM Investment Adviser's or BNYMSC's own resources to financial intermediaries for inclusion of a fund on a sales list, including a preferred or select sales list or in other sales programs. These payments sometimes are referred to as "revenue sharing." From time to time, BNYM Investment Adviser or BNYMSC also may provide cash or non-cash compensation to financial intermediaries or their representatives in the form of occasional gifts; occasional meals, tickets or other entertainment; support for due diligence trips; educational conference sponsorships; support for recognition programs; technology or infrastructure support; and other forms of cash or non-cash compensation permissible under broker-dealer regulations. In some cases, these payments or compensation may create an incentive for a financial intermediary or its employees to recommend or sell shares of the fund to you. This potential conflict of interest may be addressed by policies, procedures or practices that are adopted by the financial intermediary. As there may be many different policies, procedures or practices adopted by different intermediaries to address the manner in which compensation is earned through the sale of investments or the provision of related services, the compensation rates and other payment arrangements that may apply to a financial intermediary and its

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representatives may vary by intermediary. Please contact your financial representative for details about any payments they or their firm may receive in connection with the sale of fund shares or the provision of services to the fund.

The fund, BNYM Investment Adviser and BNYMSC have each adopted a code of ethics that permits its personnel, subject to such code, to invest in securities, including securities that may be purchased or held by the fund. Each code of ethics restricts the personal securities transactions of employees, and requires portfolio managers and other investment personnel to comply with the code's preclearance and disclosure procedures. The primary purpose of the respective codes is to ensure that personal trading by employees is done in a manner that does not disadvantage the fund or other client accounts.

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Shareholder Guide

The fund is offering Class I, Investor and Class Y shares in this prospectus. The classes differ in their expenses, eligibility and minimum purchase requirements, and the services they offer to shareholders. Financial intermediaries with whom you open a fund account may have different policies and procedures than those described in this prospectus or the SAI. Accordingly, the availability of certain share classes and/or shareholder privileges or services described in this prospectus or the SAI will depend on the policies, procedures and trading platforms of the financial intermediary or Retirement Plan recordkeeper. To be eligible for the share classes and/or shareholder privileges or services described in this prospectus or the SAI, you may need to open a fund account directly with the fund. Consult a representative of your financial intermediary or Retirement Plan for further information.

Class I Shares

Class I shares may be purchased by:

● bank trust departments, trust companies and insurance companies that have entered into agreements with the fund's distributor to offer Class I shares to their clients

● institutional investors acting in a fiduciary, advisory, agency, custodial or similar capacity for Retirement Plans and SEP-IRAs that have entered into agreements with the fund's distributor to offer Class I shares to such plans and are not eligible to purchase Class Y shares

● law firms or attorneys acting as trustees or executors/administrators

● foundations and endowments that make an initial investment in the fund of at least $1 million and are not eligible to purchase Class Y shares

● sponsors of college savings plans that qualify for tax-exempt treatment under Section 529 of the Internal Revenue Code, that maintain an omnibus account with the fund and do not require shareholder tax reporting or 529 account support responsibilities from the fund's distributor

● advisory fee-based accounts offered through financial intermediaries who, depending on the structure of the selected advisory platform, make Class I shares available

● certain institutional clients of a BNY Mellon investment advisory subsidiary, provided that such clients are approved by BNYM Investment Adviser and are not eligible to purchase Class Y shares

● U.S.-based employees of BNY Mellon, board members of BNYM Investment Adviser and board members of funds in the BNY Mellon Family of Funds, and the spouse, domestic partner or minor child of any of the foregoing, subject to certain conditions described in the SAI, and provided that such Class I shares are purchased directly from the fund

● unaffiliated investment companies approved by the fund's distributor

● clients of financial intermediaries that effect transactions in Class I shares through their brokerage platforms solely as a broker in an agency capacity for their clients and that have entered into an agreement with the fund's distributor. An investor purchasing Class I shares through the brokerage platform of such a financial intermediary will be required to pay a commission and/or other forms of compensation to the financial intermediary

Holders of the fund's Class I shares as of October 6, 2010, will be permitted to continue to invest in Class I shares for as long as they maintain their accounts in Class I, regardless of whether they satisfy the eligibility requirements set forth above. Such investors who do not satisfy the eligibility requirements, however, will be subject to a minimum account balance of $1 million. Class I shares held by such investors who do not maintain such a minimum account balance will convert to Investor shares upon 45 days' notice to the investor. As of October 6, 2010, new investors in Class I shares will not be required to maintain a minimum account balance. Holders of the fund's Investor shares may convert such shares to Class I if they satisfy the eligibility requirements for Class I shares.

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Institutions purchasing fund shares on behalf of their clients determine whether Class I shares will be available for their clients. Accordingly, the availability of Class I shares of the fund will depend on the policies, procedures and trading platforms of the institutional investor.

Investor Shares

Investor shares are designed primarily for investors who are investing directly with the fund or through a financial intermediary that has entered into an agreement with the fund's distributor to sell Investor shares. Investor shares are subject to an annual shareholder services plan fee of 0.25% payable to the fund's distributor in respect of the provision of personal services to shareholders, such as answering shareholder inquiries regarding the fund, and/or the maintenance of shareholder accounts. The fund's distributor may pay financial intermediaries from the fees it receives under the shareholder services plan for the provision of such services by the financial intermediaries to their clients who are beneficial owners of Investor shares of the fund.

Class Y Shares

The fund, BNYM Investment Adviser or the fund's distributor or their affiliates will not make any shareholder servicing, sub-transfer agency, administrative or recordkeeping payments, nor will BNYM Investment Adviser or the fund's distributor or their affiliates provide any "revenue sharing" payments, except as otherwise provided below, with respect to Class Y shares.

Class Y shares of the fund may be purchased by:

● institutional investors, acting for themselves or on behalf of their clients, that make an initial investment in Class Y shares of the fund of at least $1 million

● Retirement Plans, or certain recordkeepers of Retirement Plan platforms that maintain plan level or super-omnibus accounts with the fund

● certain institutional clients of a BNY Mellon investment advisory subsidiary, provided that such clients are approved by BNYM Investment Adviser and make an initial investment in Class Y shares of the fund of at least $1 million

● certain funds in the BNY Mellon Family of Funds and series of BNY Mellon Funds Trust

Generally, each institutional investor will be required to open and maintain a single master account with the fund for all purposes. With respect to recordkeepers of Retirement Plan platforms, the fund considers a super-omnibus account to be one single master account maintained by the Retirement Plan recordkeeper on behalf of multiple Retirement Plans. Certain holders of Class I shares of the fund who meet the eligibility requirements for the purchase of Class Y shares of the fund and who do not require the fund, BNYM Investment Adviser or the fund's distributor or their affiliates to make any shareholder servicing, sub-transfer agency, administrative or recordkeeping payments may have all of their Class I shares of the fund converted into Class Y shares of the fund. Investors holding Class Y shares who, in the opinion of BNYM Investment Adviser, do not meet the eligibility requirements for the purchase of Class Y shares will be asked to verify their eligibility or instruct the fund to convert their Class Y shares to a class of fund shares for which they are eligible to purchase. If after 30 days such an investor has not verified eligibility or provided instructions to convert their shares to another class of fund shares, their Class Y shares will be converted to Class A shares of the fund, based on the relative net asset value of each such class without the imposition of any sales charge, fee or other charge. BNYM Investment Adviser, the fund's distributor or their affiliates will not provide any "revenue sharing" payments with respect to Class I shares converted into Class Y shares. Notwithstanding the foregoing, the fund's distributor may make payments to financial intermediaries for services rendered in connection with technology and programming set-up, dealer platform development and maintenance or similar services.

Institutions purchasing fund shares on behalf of their clients determine whether Class Y shares will be available for their clients. Accordingly, the availability of Class Y shares of the fund will depend on the policies, procedures and trading platforms of the institutional investor.

You pay no sales charges to invest in shares of the fund. Your price for shares is the net asset value (NAV) per share, which is calculated as of the scheduled close of trading on the New York Stock Exchange (NYSE) (usually 4:00 p.m. Eastern time) on days the NYSE is scheduled to be open for regular business.

Your order will be priced at the next NAV calculated after your order is received in proper form by the fund's transfer agent or other authorized entity. "Proper form" refers to completion of an account application (if applicable), satisfaction of requirements in this section (subject to "Shareholder Guide—General Policies") and any applicable conditions in "Additional Information About How to Redeem Shares" in the SAI. Authorized entities other than the

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fund's transfer agent may apply different conditions for the satisfaction of "proper form" requirements. For more information, consult a representative of your financial intermediary. When calculating NAVs, BNYM Investment Adviser generally values fixed-income investments based on values supplied by an independent pricing service approved by the fund's board. The pricing service's procedures are reviewed under the general supervision of the board. If market quotations or official closing prices or valuations from a pricing service are not readily available, or are determined not to reflect accurately fair value, the fund may value those investments at fair value as determined in accordance with procedures approved by the fund's board. Fair value of investments may be determined by the fund's board, its pricing committee or its valuation committee in good faith using such information as it deems appropriate under the circumstances. Using fair value to price investments may result in a value that is different from a security's most recent closing price and from the prices used by other mutual funds to calculate their NAVs. Over-the-counter derivative instruments generally will be valued based on values supplied by an independent pricing service approved by the fund's board. Futures contracts will be valued at the most recent settlement price. Forward currency contracts will be valued using the forward rate obtained from an independent pricing service approved by the fund's board. Foreign securities held by the fund may trade on days when the fund does not calculate its NAV and thus may affect the fund's NAV on days when investors will not be able to purchase or sell (redeem) fund shares.

Investments in certain types of thinly traded securities may provide short-term traders arbitrage opportunities with respect to the fund's shares. For example, arbitrage opportunities may exist when trading in a portfolio security or securities is halted and does not resume, or the market on which such securities are traded closes before the fund calculates its NAV. If short-term investors in the fund were able to take advantage of these arbitrage opportunities, they could dilute the NAV of fund shares held by long-term investors. Portfolio valuation policies can serve to reduce arbitrage opportunities available to short-term traders, but there is no assurance that such valuation policies will prevent dilution of the fund's NAV by short-term traders. While the fund has a policy regarding frequent trading, it too may not be completely effective to prevent short-term NAV arbitrage trading, particularly in regard to omnibus accounts. Please see "Shareholder Guide — General Policies" for further information about the fund's frequent trading policy.

Orders to buy and sell shares received by an authorized entity (such as a bank, broker-dealer or financial adviser, or Retirement Plan that has entered into an agreement with the fund's distributor) by the time as of which the fund calculates its NAV (usually 4:00 p.m. Eastern time) will be based on the NAV determined that day.

How to Buy Shares

By Mail.

Regular Accounts. To open a regular account, complete an application and mail it, together with a check payable to The BNY Mellon Family of Funds, to the appropriate address below. To purchase additional shares in a regular account, mail a check payable to The BNY Mellon Family of Funds (with your account number on your check), together with an investment slip, to the appropriate address below.

IRA Accounts. To open an IRA account or make additional investments in an IRA account, be sure to specify the fund name and the year for which the contribution is being made. When opening a new account include a completed IRA application applicable to the type of IRA for which the investment is made, and when making additional investments include an investment slip. Make checks payable to The BNY Mellon Family of Funds, and mail to the appropriate address below.

Mailing Address. If you are investing directly through the fund, mail to:

BNY Mellon Shareholder Services
P.O. Box 9879
Providence, Rhode Island 02940-8079

If you are investing through a third party, such as a bank, broker-dealer or financial adviser, or in a Retirement Plan, mail to:

BNY Mellon Institutional Department
P.O. Box 9882
Providence, Rhode Island 02940-8082

If you are applying for an Institutional Direct account, please contact your BNY Mellon relationship manager for mailing instructions.

Electronic Check or Wire. To purchase shares by wire or electronic check, please call 1-800-373-9387 (inside the U.S. only) for more information.

Telephone or Online. To purchase additional shares by telephone or online, you can call 1-800-373-9387 (inside the U.S. only) or visit www.bnymellonim.com/us to request your transaction. In order to do so, you must have elected the

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TeleTransfer Privilege on your account application or a Shareholder Services Form. See "Services for Fund Investors — Wire Redemption and TeleTransfer Privileges" for more information. Institutional Direct accounts are not eligible for online services.

Automatically. You may purchase additional shares by selecting one of the automatic investment services made available to the fund on your account application or service application. See "Services for Fund Investors – Automatic Services."

The minimum initial investment for regular accounts in Class I shares, Investor shares and Class Y shares is $1,000, $10,000 and $1,000,000, respectively. The minimum subsequent investment for regular accounts is $100 for Class I shares and Investor shares with no minimum subsequent investment for Class Y shares. With respect to Class I shares, the minimum initial investment for foundations and endowments is $1,000,000. With respect to Investor shares, the minimum initial investment for Retirement Plans or IRAs (other than Coverdell Education Savings Accounts) sponsored by BNYM Investment Adviser or its affiliates is $750, with no minimum subsequent investment. The minimum initial investment for Coverdell Education Savings Accounts sponsored by BNYM Investment Adviser or its affiliates is $500, with no minimum subsequent investment. Subsequent investments made through TeleTransfer are subject to a $100 minimum and a $150,000 maximum. All investments must be in U.S. dollars. Third-party checks, cash, travelers' checks or money orders will not be accepted. You may be charged a fee for any check that does not clear.

How to Sell Shares

You may sell (redeem) shares at any time. Your shares will be sold at the next NAV calculated after your order is received in proper form by the fund's transfer agent or other authorized entity. Any certificates representing fund shares being sold must be returned with your redemption request. Your order will be processed promptly.

If you request the fund to transmit your redemption proceeds to you by check, the fund expects that your redemption proceeds normally will be sent within two business days after your request is received in proper form. If you request the fund to transmit your redemption proceeds to you by wire via the Wire Redemption Privilege ($1,000 minimum) or electronic check via the TeleTransfer Privilege ($500 minimum), and the fund has your bank account information on file, the fund expects that your redemption proceeds normally will be wired within one business day or sent by electronic check within two business days, as applicable, to your bank account after your request is received in proper form. See "Services for Fund Investors — Wire Redemption and TeleTransfer Privileges" for more information. Payment of redemption proceeds may take longer than the number of days the fund typically expects and may take up to seven days after your order is received in proper form by the fund's transfer agent or other authorized entity, particularly during periods of stressed market conditions or very large redemptions or excessive trading.

The processing of redemptions may be suspended, and the delivery of redemption proceeds may be delayed beyond seven days, depending on the circumstances, for any period: (i) during which the NYSE is closed (other than on holidays or weekends), or during which trading on the NYSE is restricted; (ii) when an emergency exists that makes the disposal of securities owned by the fund or the determination of the fair value of the fund's net assets not reasonably practicable; or (iii) as permitted by order of the Securities and Exchange Commission for the protection of fund shareholders. For these purposes, the Securities and Exchange Commission determines the conditions under which trading shall be deemed to be restricted and an emergency shall be deemed to exist.

Before selling shares recently purchased by check, TeleTransfer or Automatic Asset Builder, please note that:

● if you send a written request to sell such shares, the fund may delay sending the proceeds for up to eight business days following the purchase of those shares or until the fund receives verification of clearance of the funds used to purchase such shares, whichever is earlier

● the fund will not process wire, telephone, online or TeleTransfer redemption requests for up to eight business days following the purchase of those shares or until the fund receives verification of clearance of the funds used to purchase such shares, whichever is earlier

Under normal circumstances, the fund expects to meet redemption requests by using cash it holds in its portfolio or selling portfolio securities to generate cash. In addition, the fund, and certain other funds in the BNY Mellon Family of Funds, may draw upon an unsecured credit facility for temporary or emergency purposes to meet redemption requests. The fund also reserves the right to pay redemption proceeds in securities rather than cash (i.e., "redeem in-kind"), to the extent the composition of the fund's investment portfolio enables it to do so. Generally, a redemption in-kind may be made under the following circumstances: (1) BNYM Investment Adviser determines that a redemption in-kind (i) is more advantageous to the fund (e.g., due to advantageous tax consequences or lower transaction costs) than selling/purchasing portfolio securities, (ii) will not favor the redeeming shareholder to the detriment of any other shareholder or the fund and (iii) is in the best interests of the fund; (2) to manage liquidity risk (i.e., the risk that the fund could not meet redemption requests without significant dilution of remaining investors' interests in the fund); (3) in

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stressed market conditions; or (4) subject to the approval of the fund's board in other circumstances identified by BNYM Investment Adviser. Securities distributed in connection with any such redemption in-kind are expected to generally represent your pro rata portion of assets held by the fund immediately prior to the redemption, with adjustments as may be necessary in connection with, for example, certain derivatives, restricted securities, odd lots or fractional shares.  Any securities distributed in-kind will remain exposed to market risk until sold, and you may incur transaction costs and taxable gain when selling the securities.

By Mail.

Regular Accounts. To redeem shares in a regular account by mail, send a letter of instruction that includes your name, your account number, the name of the fund, the share class, the dollar amount to be redeemed and how and where to send the proceeds. Mail your request to the appropriate address below.

IRA Accounts. To redeem shares in an IRA account by mail, send a letter of instruction that includes all of the same information for regular accounts and indicate whether the distribution is qualified or premature and whether the 10% TEFRA should be withheld. Mail your request to the appropriate address below.

Mailing Address. If you invested directly through the fund, mail to:

BNY Mellon Shareholder Services
P.O. Box 9879
Providence, Rhode Island 02940-8079

If you invested through a third party, such as a bank, broker-dealer or financial adviser, or in a Retirement Plan, mail to:

BNY Mellon Institutional Department
P.O. Box 9882
Providence, Rhode Island 02940-8082

If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for mailing instructions.

A medallion signature guarantee is required for some written sell orders. These include:

● amounts of $10,000 or more on accounts whose address has been changed within the last 30 days

● requests to send the proceeds to a different payee or address

● amounts of $100,000 or more

A medallion signature guarantee helps protect against fraud. You can obtain one from most banks or securities dealers, but not from a notary public. For joint accounts, each signature must be guaranteed. Please call to ensure that your medallion signature guarantee will be processed correctly.

Telephone or Online. To redeem shares by telephone or online, call 1-800-373-9387 (inside the U.S. only) or, for regular accounts, visit www.bnymellonim.com/us to request your transaction. Institutional Direct accounts are not eligible for online services.

By calling 1-800-373-9387 (inside the U.S. only), you may speak to a BNY Mellon representative and request that redemption proceeds be paid by check and mailed to your address of record (maximum $250,000 per day). For redemption requests made online through www.bnymellonim.com/us or through the Express voice-activated account access system, there is a $100,000 per day limit.

Automatically. You may sell shares in a regular account by completing an Automatic Withdrawal Form which you can obtain by calling 1-800-373-9387 (inside the U.S. only), visiting www.bnymellonim.com/us or contacting your financial representative. For instructions on how to establish automatic withdrawals to sell shares in an IRA account, please call 1-800-373-9387 (inside the U.S. only) or contact your financial representative. See "Services for Fund Investors — Automatic Services."

The fund and the fund's transfer agent are authorized to act on telephone or online instructions from any person representing himself or herself to be you and reasonably believed by the fund or the transfer agent to be genuine. You may be responsible for any fraudulent telephone or online order as long as the fund or the fund's transfer agent (as applicable) takes reasonable measures to confirm that the instructions are genuine.

The fund reserves the right to reject any purchase or exchange request in whole or in part. All shareholder services and privileges offered to shareholders may be modified or terminated at any time, except as otherwise stated in the fund's

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SAI. Please see the fund's SAI for additional information on buying and selling shares, privileges and other shareholder services.

If you invest through a financial intermediary (rather than directly through the fund), the policies may be different than those described herein. For example, banks, brokers, Retirement Plans, financial advisers and financial supermarkets may charge transaction fees and may set different minimum investments or limitations on buying or selling shares. Please consult your financial representative.

The fund is designed for long-term investors. Frequent purchases, redemptions and exchanges may disrupt portfolio management strategies and harm fund performance by diluting the value of fund shares and increasing brokerage and administrative costs. As a result, BNYM Investment Adviser and the fund's board have adopted a policy of discouraging excessive trading, short-term market timing and other abusive trading practices (frequent trading) that could adversely affect the fund or its operations. BNYM Investment Adviser and the fund will not enter into arrangements with any person or group to permit frequent trading.

The fund also reserves the right to:

● refuse any purchase or exchange request, including those from any individual or group who, in BNYM Investment Adviser's view, is likely to engage in frequent trading

● change or discontinue fund exchanges, or temporarily suspend exchanges during unusual market conditions

● change its minimum investment amount

More than four roundtrips within a rolling 12-month period generally is considered to be frequent trading. A roundtrip consists of an investment that is substantially liquidated within 60 days. Based on the facts and circumstances of the trades, the fund may also view as frequent trading a pattern of investments that are partially liquidated within 60 days.

Transactions made through the Automatic Withdrawal Plan, Auto-Exchange Privileges, automatic investment plans (including Automatic Asset Builder), automatic non-discretionary rebalancing programs and minimum required retirement distributions generally are not considered to be frequent trading. For Retirement Plans, generally only participant-initiated exchange transactions are subject to the roundtrip limit.

BNYM Investment Adviser monitors selected transactions to identify frequent trading. When its surveillance systems identify multiple roundtrips, BNYM Investment Adviser evaluates trading activity in the account for evidence of frequent trading. BNYM Investment Adviser considers the investor's trading history in other accounts under common ownership or control, in other funds in the BNY Mellon Family of Funds and BNY Mellon Funds Trust and, if known, in non-affiliated mutual funds and accounts under common control. These evaluations involve judgments that are inherently subjective, and while BNYM Investment Adviser seeks to apply the policy and procedures uniformly, it is possible that similar transactions may be treated differently. In all instances, BNYM Investment Adviser seeks to make these judgments to the best of its abilities in a manner that it believes is consistent with shareholder interests. If BNYM Investment Adviser concludes the account is likely to engage in frequent trading, BNYM Investment Adviser may cancel or revoke the purchase or exchange on the following business day. BNYM Investment Adviser may also temporarily or permanently bar such investor's future purchases into the fund in lieu of, or in addition to, canceling or revoking the trade. At its discretion, BNYM Investment Adviser may apply these restrictions across all accounts under common ownership, control or perceived affiliation.

Fund shares often are held through omnibus accounts maintained by financial intermediaries, such as brokers and Retirement Plan administrators, where the holdings of multiple shareholders, such as all the clients of a particular broker, are aggregated. BNYM Investment Adviser's ability to monitor the trading activity of investors whose shares are held in omnibus accounts is limited. However, the agreements between the distributor and financial intermediaries include obligations to comply with the terms of this prospectus and to provide BNYM Investment Adviser, upon request, with information concerning the trading activity of investors whose shares are held in omnibus accounts. If BNYM Investment Adviser determines that any such investor has engaged in frequent trading of fund shares, BNYM Investment Adviser may require the financial intermediary to restrict or prohibit future purchases or exchanges of fund shares by that investor.

Certain Retirement Plans and intermediaries that maintain omnibus accounts with the fund may have developed policies designed to control frequent trading that may differ from the fund's policy. At its sole discretion, the fund may permit such intermediaries to apply their own frequent trading policy. If you are investing in fund shares through a financial intermediary (or in the case of a Retirement Plan, your plan sponsor), please contact the financial intermediary for information on the frequent trading policies applicable to your account.

To the extent the fund significantly invests in thinly traded securities, certain investors may seek to trade fund shares in an effort to benefit from their understanding of the value of these securities (referred to as price arbitrage). Any such frequent trading strategies may interfere with efficient management of the fund's portfolio to a greater degree than funds

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that invest in highly liquid securities, in part because the fund may have difficulty selling these portfolio securities at advantageous times or prices to satisfy large and/or frequent redemption requests. Any successful price arbitrage may also cause dilution in the value of fund shares held by other shareholders.

Although the fund's frequent trading and fair valuation policies and procedures are designed to discourage market timing and excessive trading, none of these tools alone, nor all of them together, completely eliminates the potential for frequent trading.

Small Account Policy

If your account falls below $500, the fund may ask you to increase your balance. If it is still below $500 after 45 days, the fund may close your account and send you the proceeds.

Escheatment

If your account is deemed "abandoned" or "unclaimed" under state law, the fund may be required to "escheat" or transfer the assets in your account to the applicable state's unclaimed property administration. The state may sell escheated shares and, if you subsequently seek to reclaim your proceeds of liquidation from the state, you may only be able to recover the amount received when the shares were sold. It is your responsibility to ensure that you maintain a correct address for your account, keep your account active by contacting the fund's transfer agent or distributor by mail or telephone or accessing your account through the fund's website at least once a year, and promptly cash all checks for dividends, capital gains and redemptions. The fund, the fund's transfer agent and BNYM Investment Adviser and its affiliates will not be liable to shareholders or their representatives for good faith compliance with state escheatment laws.

Each share class will generate a different dividend because each has different expenses. The fund earns dividends, interest and other income from its investments, and distributes this income (less expenses) to shareholders as dividends. The fund also realizes capital gains from its investments, and distributes these gains (less any losses) to shareholders as capital gain distributions. The fund normally declares dividends from its net investment income on each business day (each day the fund calculates its NAV) and pays dividends monthly and capital gain distributions, if any, annually. Fund dividends and capital gain distributions will be reinvested in the fund unless you or your financial intermediary instruct the fund otherwise. There are no fees or sales charges imposed by the fund on reinvestments.

Distributions paid by the fund are subject to federal income tax, and also may be subject to state or local tax (unless you are investing through an IRA, Retirement Plan or other U.S. tax-advantaged investment plan). For federal tax purposes, in general, certain fund distributions, including distributions of short-term capital gains, are taxable as ordinary income. Other fund distributions, including dividends from certain U.S. companies and certain foreign companies and distributions of long-term capital gains, generally are taxable as qualified dividends and capital gains, respectively.

High portfolio turnover and more volatile markets can result in significant taxable distributions to shareholders, regardless of whether their shares have increased in value. The tax status of any distribution generally is the same regardless of how long you have been in the fund and whether you reinvest your distributions or take them in cash.

If you buy shares of the fund when the fund has realized but not yet distributed income or capital gains, you will be "buying a dividend" by paying the full price for the shares and then receiving a portion back in the form of a taxable distribution.

Your sale of shares, including exchanges into other funds, may result in a capital gain or loss for tax purposes. A capital gain or loss on your investment in the fund generally is the difference between the cost of your shares and the amount you receive when you sell them.

The tax status of your distributions will be detailed in your annual tax statement from the fund. Because everyone's tax situation is unique, please consult your tax adviser before investing.

Annual year-end distribution estimates, if any, are expected to be available beginning in early October, and may be updated from time to time, at http://im.bnymellon.com/taxcenter or by calling 1-800-373-9387 (inside the U.S. only) or your financial representative.

17

The following services may be available to fund investors. If you purchase shares through a third party financial intermediary or in a Retirement Plan, the financial intermediary or Retirement Plan recordkeeper may impose different restrictions on these services and privileges, or may not make them available at all. Consult a representative of your financial intermediary or Retirement Plan for further information.

Automatic Services

Buying or selling shares automatically is easy with the services described below. With each service, you select a schedule and amount, subject to certain restrictions. These services are not available for Class Y shares. For information, call 1-800-373-9387 (inside the U.S. only) or your financial representative.

Automatic Asset Builder permits you to purchase fund shares (minimum of $100 and maximum of $150,000 per transaction) at regular intervals selected by you. Fund shares are purchased by transferring funds from the bank account designated by you.

Payroll Savings Plan permits you to purchase fund shares (minimum of $100 per transaction) automatically through a payroll deduction.

Government Direct Deposit permits you to purchase fund shares (minimum of $100 and maximum of $50,000 per transaction) automatically from your federal employment, Social Security or other regular federal government check.

Dividend Sweep permits you to automatically reinvest dividends and distributions from the fund in shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may invest automatically your dividends and distributions from the fund only in shares of the same class of another fund in the BNY Mellon Family of Funds. Shares held through a Coverdell Education Savings Account sponsored by BNYM Investment Adviser or its affiliates are not eligible for this privilege.

Auto-Exchange Privilege permits you to exchange at regular intervals your fund shares for shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may only exchange fund shares for shares of the same class of another fund in the BNY Mellon Family of Funds.

Automatic Withdrawal Plan permits you to make withdrawals (minimum of $50) on a specific day each month, quarter or semiannual or annual period, provided your account balance is at least $5,000.

Fund Exchanges

Generally, you can exchange shares worth $500 or more (no minimum for Retirement Plans and IRAs sponsored by BNYM Investment Adviser or its affiliates) into shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may only exchange fund shares for shares of the same class of another fund in the BNY Mellon Family of Funds. You can request your exchange by calling 1-800-373-9387 (inside the U.S. only) or your financial representative. If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for instructions. Be sure to read the current prospectus for any fund into which you are exchanging before investing. Any new account established through an exchange generally will have the same privileges as your original account (as long as they are available). There is currently no fee for exchanges, although you may be charged a sales load when exchanging into any fund that has one.

Your exchange request will be processed on the same business day it is received in proper form, provided that each fund is open at the time of the request (i.e., the request is received by the latest time each fund calculates its NAV for that business day). If the exchange is accepted at a time of day after one or both of the funds is closed (i.e., at a time after the NAV for the fund has been calculated for that business day), the exchange will be processed on the next business day. See the SAI for more information regarding exchanges.

Conversion Feature

Shares of one class of the fund may be converted into shares of another class of the fund, provided you meet the eligibility requirements for investing in the new share class. The fund reserves the right to refuse any conversion request.

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Wire Redemption and TeleTransfer Privileges

To redeem shares from your fund account with a phone call (for regular or IRA accounts) or online (for regular accounts only), use the Wire Redemption Privilege or the TeleTransfer Privilege. To purchase additional shares in your fund account with a phone call (for regular or IRA accounts) or online (for regular accounts only), use the TeleTransfer Privilege. You can set up the Wire Redemption Privilege and TeleTransfer Privilege on your account by providing bank account information and following the instructions on your application or, if your account has already been established, a Shareholder Services Form which you can obtain by calling 1-800-373-9387 (inside the U.S. only), visiting www.bnymellonim.com/us or contacting your financial representative. Shares held in a Coverdell Education Savings Account may not be redeemed through the Wire Redemption or TeleTransfer Privileges. Institutional Direct accounts are not eligible for the Wire Redemption or TeleTransfer Privileges initiated online.

Account Statements

Every investor in a fund in the BNY Mellon Family of Funds automatically receives regular account statements. You will also be sent a yearly statement detailing the tax characteristics of any dividends and distributions you have received.

Express Voice-Activated Account Access System

You can check your account balances, get fund price and performance information, order documents and much more, by calling 1-800-373-9387 (inside the U.S. only) and using the Express voice-activated account access system. You may also be able to purchase fund shares and/or transfer money between your funds in the BNY Mellon Family of Funds using the Express voice-activated account access system. Certain requests require the services of a representative.

19

These financial highlights describe the performance of the fund's shares for the fiscal periods indicated. "Total return" shows how much your investment in the fund would have increased (or decreased) during each period, assuming you had reinvested all dividends and distributions. These financial highlights have been derived from the fund's financial statements, which have been audited by Ernst & Young LLP, an independent registered public accounting firm, whose report, along with the fund's financial statements, is included in the annual report, which is available upon request.

20

21

NOTES

22

NOTES

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NOTES

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For More Information

BNY Mellon Inflation Adjusted Securities Fund
A series of BNY Mellon Investment Grade Funds, Inc.

More information on this fund is available free upon request, including the following:

Annual/Semiannual Report

The fund's annual and semiannual reports describe the fund's performance, list portfolio holdings and contain a letter from the fund's manager discussing recent market conditions, economic trends and fund strategies that significantly affected the fund's performance during the period covered by the report. The fund's most recent annual and semiannual reports are available at www.bnymellonim.com/us.

Statement of Additional Information (SAI)

The SAI provides more details about the fund and its policies. A current SAI is available at www.bnymellonim.com/us and is on file with the Securities and Exchange Commission (SEC). The SAI, as amended or supplemented from time to time, is incorporated by reference (and is legally considered part of this prospectus).

Portfolio Holdings

Funds in the BNY Mellon Family of Funds (except Dreyfus money market funds) generally disclose, at www.bnymellonim.com/us, (1) complete portfolio holdings as of each month-end with a one month lag and as of each calendar quarter end with a 15-day lag; (2) top 10 holdings as of each month-end with a 10-day lag; and (3) from time to time, certain security-specific performance attribution data as of a month-end, with a 10-day lag. From time to time a fund may make available certain portfolio characteristics, such as allocations, performance- and risk-related statistics, portfolio-level statistics and non-security specific attribution analyses, on request.  For funds in the BNY Mellon Family of Funds (except Dreyfus money market funds), portfolio holdings will remain on the website for a period of six months and any security-specific performance attribution data will remain on the website for varying periods up to six months, provided that portfolio holdings will remain until the fund files its Form N-PORT or Form N-CSR for the period that includes the dates of the posted holdings.  Dreyfus money market funds generally disclose, at www.dreyfus.com, their complete schedule of holdings daily.  Each Dreyfus money market fund's daily posting of its complete portfolio holdings will remain available on the website for five months. 

A complete description of the fund's policies and procedures with respect to the disclosure of the fund's portfolio securities is available in the fund's SAI and at www.bnymellonim.com/us.

To Obtain Information

By telephone. Call 1-800-373-9387 (inside the U.S. only)

By mail.
The BNY Mellon Family of Funds
144 Glenn Curtiss Boulevard
Uniondale, NY 11556-0144

By E-mail. Send your request to info@bnymellon.com

On the Internet. Certain fund documents can be viewed online or downloaded from:

SEC: www.sec.gov

Dreyfus money market funds: www.dreyfus.com

This prospectus does not constitute an offer or solicitation in any state or jurisdiction in which, or to any person to whom, such offering or solicitation may not lawfully be made.

SEC file number: 811-06718

BNY Mellon
Short Term Income Fund

Prospectus | December 1, 2020

Class Ticker

D  i DSTIX

As with all mutual funds, the Securities and Exchange Commission has not approved or disapproved
these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is
a criminal offense.

Contents

See back cover.

 i Fund Summary

 i Example

 i Portfolio Turnover

1

repaid with interest. Average effective portfolio maturity is an average of the maturities of bonds held by the fund directly and the bonds underlying derivative instruments entered into by the fund, if any, adjusted to reflect provisions or market conditions that may cause a bond's principal to be repaid earlier than at its stated maturity. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates.

For additional yield, the fund may invest up to 20% of its assets in fixed-income securities rated below investment grade ("high yield" or "junk" bonds) to as low as Caa/CCC or the unrated equivalent as determined by BNY Mellon Investment Adviser, Inc. The fund will focus on U.S. securities, but may invest up to 30% of its total assets in fixed-income securities of foreign issuers (i.e., securities issued by companies organized under the laws of countries other than the U.S. or securities issued by foreign governments), including those of issuers in emerging markets.

● Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

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● High yield securities risk. High yield ("junk") securities involve greater credit risk, including the risk of default, than investment grade securities, and are considered predominantly speculative with respect to the issuer's ability to make principal and interest payments. The prices of high yield securities can fall in response to bad news about the issuer or its industry, or the economy in general, to a greater extent than those of higher rated securities.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

● Emerging market risk. The securities of issuers located or doing substantial business in emerging market countries tend to be more volatile and less liquid than the securities of issuers located in countries with more mature economies. Emerging markets generally have less diverse and less mature economic structures and less stable political systems than those of developed countries. Investments in these countries may be subject to political, economic, legal, market and currency risks. The risks may include less protection of property rights and uncertain political and economic policies, the imposition of capital controls and/or foreign investment limitations by a country, nationalization of businesses and the imposition of sanctions by other countries, such as the United States.

● Non-diversification risk.  i The fund is non-diversified, which means that the fund may invest a relatively high percentage of its assets in a limited number of issuers. Therefore, the fund's performance may be more vulnerable to changes in the market value of a single issuer or group of issuers and more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund.

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

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● Portfolio turnover risk. The fund may engage in short-term trading, which could produce higher transaction costs and taxable distributions, and lower the fund's after-tax performance. The fund's forward roll transactions will increase its portfolio turnover rate.

● Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, or to factors that affect the issuer's industry.

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The fund's investment adviser is BNY Mellon Investment Adviser, Inc. (BNYM Investment Adviser).

David Bowser, CFA, Nathaniel Hyde, CFA, and Scott Zaleski, CFA, are the fund's primary portfolio managers, positions they have held since July 2008, March 2018 and July 2019, respectively. Mr. Bowser is a director and senior portfolio manager on the Global Multi-Sector Investment team at Mellon Investments Corporation (Mellon), an affiliate of BNYM Investment Adviser. Mr. Hyde is a vice president and portfolio manager on the Global Multi-Sector Fixed Income team at Mellon. Mr. Zaleski is a director and senior portfolio manager on the Global Multi-Sector Fixed Income team at Mellon. Messrs. Bowser, Hyde and Zaleski are also employees of BNYM Investment Adviser.

In general, for Class D shares, the fund's minimum initial investment is $2,500 and the minimum subsequent investment is $100. You may sell (redeem) your shares on any business day by calling 1-800-373-9387 (inside the U.S. only) or by visiting www.bnymellonim.com/us. If you invested in the fund through a third party, such as a bank, broker-dealer or financial adviser, or through a Retirement Plan (as defined below), you may mail your request to sell shares to BNY Mellon Institutional Department, P.O. Box 9882, Providence, Rhode Island 02940-8082. If you invested directly through the fund, you may mail your request to sell shares to BNY Mellon Shareholder Services, P.O. Box 9879, Providence, Rhode Island 02940-8079. If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for instructions.

Retirement Plans include qualified or non-qualified employee benefit plans, such as 401(k), 403(b)(7), Keogh, pension, profit-sharing and other deferred compensation plans, whether established by corporations, partnerships, sole proprietorships, non-profit entities, trade or labor unions, or state and local governments, but do not include IRAs (including, without limitation, traditional IRAs, Roth IRAs, Coverdell Education Savings Accounts, IRA "Rollover Accounts" or IRAs set up under Simplified Employee Pension Plans (SEP-IRAs), Salary Reduction Simplified Employee Pension Plans (SARSEPs) or Savings Incentive Match Plans for Employees (SIMPLE IRAs)).

The fund's distributions are taxable as ordinary income or capital gains, except when your investment is through an IRA, Retirement Plan or other U.S. tax-advantaged investment plan (in which case you may be taxed upon withdrawal of your investment from such account).

If you purchase shares through a broker-dealer or other financial intermediary (such as a bank), the fund's distributor and its related companies may pay the intermediary for the sale of fund shares and related services. To the extent that the intermediary may receive lesser or no payments in connection with the sale of other investments, the payments from the fund's distributor and its related companies may create a potential conflict of interest by influencing the broker-dealer or other intermediary and your financial representative to recommend the fund over the other investments. This potential conflict of interest may be addressed by policies, procedures or practices adopted by the financial intermediary. As there may be many different policies, procedures or practices adopted by different intermediaries to address the manner in which compensation is earned through the sale of investments or the provision of related services, the compensation rates and other payment arrangements that may apply to a financial intermediary and its representatives may vary by intermediary. Ask your financial representative or visit your financial intermediary's website for more information.

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Fund Details

The fund seeks to maximize total return, consisting of capital appreciation and current income. To pursue its goal, the fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in fixed-income securities of U.S. and foreign issuers rated investment grade or the unrated equivalent as determined by BNYM Investment Adviser. These securities include: U.S. government bonds and notes, corporate bonds, municipal bonds, convertible securities, preferred stocks, inflation-indexed securities, asset-backed securities, mortgage-related securities (including CMOs), floating rate loans (limited to up to 20% of the fund's net assets) and other floating rate securities and foreign bonds.

Typically, the fund's portfolio can be expected to have an average effective maturity and an average effective duration of three years or less. The fund may invest in individual fixed-income securities of any maturity or duration. A bond's maturity is the length of time until the principal must be fully repaid with interest. Average effective portfolio maturity is an average of the maturities of bonds held by the fund directly and the bonds underlying derivative instruments entered into by the fund, if any, adjusted to reflect provisions or market conditions that may cause a bond's principal to be repaid earlier than at its stated maturity. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates. Generally, the longer a bond's duration, the more likely it is to react to interest rate fluctuations and the greater its long-term risk/return potential. In calculating average effective portfolio maturity and average effective duration, the fund may treat a security that can be repurchased by its issuer on an earlier date (known as a "call date") as maturing on the call date rather than on its stated maturity date.

Credit ratings are determined by independent rating organizations that analyze and evaluate a bond issuer's, and/or any credit enhancer's, credit profile and ability to repay debts. Based on their assessment, these rating organizations assign letter grades that reflect the issuer's, and/or any credit enhancer's, creditworthiness. AAA or Aaa represents the highest credit rating, AA/Aa the second highest, and so on down to D, for defaulted debt. Bonds rated BBB or Baa and above are considered investment grade.

For additional yield, the fund may invest up to 20% of its assets in fixed-income securities rated below investment grade ("high yield" or "junk" bonds) to as low as Caa/CCC or the unrated equivalent as determined by BNYM Investment Adviser.

The fund will focus on U.S. securities, but may invest up to 30% of its total assets in fixed-income securities of foreign issuers (i.e., securities issued by companies organized under the laws of countries other than the U.S. or securities issued by foreign governments), including those of issuers in emerging markets.

The fund's investments in floating rate loans are generally focused on senior secured loans but also may include second lien loans, senior unsecured loans, subordinated loans, and fixed rate loans with respect to which the fund has entered into derivative instruments (principally swap agreements and options on swap agreements) to effectively convert the fixed rate interest payments into floating rate interest payments. The fund also may purchase participations and assignments in, and commitments to purchase, floating rate loans. Investments in floating rate loans and other floating rate securities generally will focus on U.S. issuers, but the fund may invest in foreign issuers, typically those located in foreign countries that are members of the Organization for Economic Co-operation and Development.

The portfolio managers buy and sell fixed-income securities based on credit quality, financial outlook and yield potential. Fixed-income securities with deteriorating credit quality are potential sell candidates, while those offering higher yields are potential buy candidates.

Although not a principal investment strategy, the fund may, but is not required to, use derivative instruments as a substitute for investing directly in an underlying asset, to increase returns, to manage interest rate risk, to manage the effective duration or maturity of the fund's portfolio, or as part of a hedging strategy. The derivative instruments in which the fund may invest include principally options, futures and options on futures (including those relating to securities, foreign currencies, indices and interest rates), forward contracts and swaps (including interest rate and credit default swaps). To the extent such derivative instruments have similar economic characteristics to fixed-income securities as described in the fund's policy with respect to the investment of at least 80% of its net assets, the market value of such instruments will be included in the 80% policy. Derivatives may be entered into on established exchanges or through privately negotiated transactions referred to as over-the-counter derivatives. A derivatives contract will obligate or entitle the fund to deliver or receive an asset or

6

cash payment based on the change in value of the underlying asset. When the fund enters into derivatives transactions, it may be required to segregate liquid assets or enter into offsetting positions or otherwise cover its obligations, in accordance with applicable regulations, while the positions are open. To enhance current income, the fund also may engage in a series of purchase and sale contracts or forward roll transactions in which the fund sells a mortgage-related security, for example, to a financial institution and simultaneously agrees to purchase a similar security from the institution at a later date at an agreed-upon price. The fund may lend its portfolio securities to brokers, dealers and other financial institutions needing to borrow securities to complete certain transactions. Loans of portfolio securities may not exceed 33-1/3% of the value of the fund's total assets.

The fund is non-diversified.

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the FDIC or any other government agency. It is not a complete investment program. The value of your investment in the fund will fluctuate, sometimes dramatically, which means you could lose money.

7

from fund performance. In such an interest rate environment, the fund may be subject to greater risk of principal decline from rising interest rates. 

● Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall, lowering the value of the fund's investment in such security. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

● High yield securities risk. High yield ("junk") securities involve greater credit risk, including the risk of default, than investment grade securities, and are considered predominantly speculative with respect to the issuer's ability to make principal and interest payments. The prices of high yield securities can fall in response to bad news about the issuer or its industry, or the economy in general, to a greater extent than those of higher rated securities. Securities rated investment grade when purchased by the fund may subsequently be downgraded.

● Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. Other market developments can adversely affect fixed-income securities markets. Regulations and business practices, for example, have led some financial intermediaries to curtail their capacity to engage in trading (i.e., "market making") activities for certain fixed-income securities, which could have the potential to decrease liquidity and increase volatility in the fixed-income securities markets. The secondary market for certain municipal bonds tends to be less well developed or liquid than many other securities markets, which may adversely affect the fund's ability to sell such municipal bonds at attractive prices. Investments that are illiquid or that trade in lower volumes may be more difficult to value. The market for below investment grade securities may be less liquid and therefore these securities may be harder to value or sell at an acceptable price, especially during times of market volatility or decline. Investments in foreign securities, particularly those of issuers located in emerging markets, tend to have greater exposure to liquidity risk than domestic securities. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). Liquidity risk also may refer to the risk that the fund will not be able to pay redemption proceeds within the allowable time period stated in this prospectus because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions, which may adversely affect the fund's share price.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

● Emerging market risk. The securities of issuers located or doing substantial business in emerging market countries tend to be more volatile and less liquid than the securities of issuers located in countries with more mature economies, potentially making prompt liquidation at an attractive price difficult. The economies of countries with emerging markets may be based predominantly on only a few industries, may be highly vulnerable to changes in local or global trade conditions, and may suffer from extreme debt burdens or volatile inflation rates. Transaction settlement and dividend collection procedures also may be less reliable in emerging markets than in developed markets. Emerging markets generally have less diverse and less mature economic structures and less stable political systems than those of developed countries. Investments in these countries may be subject to political, economic, legal, market and currency risks. The risks may include less protection of property rights and uncertain political and economic policies, the imposition of capital controls and/or foreign investment limitations by a country, nationalization of businesses and the imposition of sanctions by other countries, such as the United States.

● Non-diversification risk. The fund is non-diversified, which means that the fund may invest a relatively high percentage of its assets in a limited number of issuers. Therefore, the fund's performance may be more vulnerable to changes in the market value of a single issuer or group of issuers and more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund.

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until

8

maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

● Government securities risk. Not all obligations of the U.S. government, its agencies and instrumentalities are backed by the full faith and credit of the U.S. Treasury. Some obligations are backed only by the credit of the issuing agency or instrumentality, and in some cases there may be some risk of default by the issuer. Any guarantee by the U.S. government or its agencies or instrumentalities of a security held by the fund does not apply to the market value of such security or to shares of the fund itself. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed only as to the timely payment of interest and principal when held to maturity. In addition, because many types of U.S. government securities trade actively outside the United States, their prices may rise and fall as changes in global economic conditions affect the demand for these securities.

● Municipal securities risk. The amount of public information available about municipal securities is generally less than that for corporate equities or bonds. Special factors, such as legislative changes, and state and local economic and business developments, may adversely affect the yield and/or value of the fund's investments in municipal securities. Other factors include the general conditions of the municipal securities market, the size of the particular offering, the maturity of the obligation and the rating of the issue. The municipal securities market can be susceptible to increases in volatility and decreases in liquidity. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). An unexpected increase in fund redemption requests, including requests from shareholders who may own a significant percentage of the fund's shares, which may be triggered by market turmoil or an increase in interest rates, could cause the fund to sell its holdings at a loss or at undesirable prices and adversely affect the fund's share price and increase the fund's liquidity risk and fund expenses. Changes in economic, business or political conditions relating to a particular municipal project, municipality, or state, territory or possession of the United States in which the fund invests may have an impact on the fund's share price. In addition, the cost associated with combating the outbreak of COVID-19 and its negative impact on tax revenues has adversely affected the financial condition of many state and local governments. The effects of this outbreak could affect the ability of state and local governments to make payments on debt obligations when due and could adversely impact the value of their bonds, which could negatively impact the performance of the fund.

● Portfolio turnover risk. The fund may engage in short-term trading, which could produce higher transaction costs and taxable distributions, and lower the fund's after-tax performance. The fund's forward roll transactions will increase its portfolio turnover rate.

● Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services, or factors that affect the issuer's industry, such as labor shortages or increased production costs and competitive conditions within an industry.

In addition to the principal risks described above, the fund is subject to the following additional risks that are not anticipated to be principal risks of investing in the fund:

● Prepayment risk. Some securities give the issuer the option to prepay or call the securities before their maturity date, which may reduce the market value of the security and the anticipated yield-to-maturity. Issuers often exercise this right when interest rates fall. In addition, floating rate loans may not have call protection and may be prepaid partially or in full at any time without penalty. If an issuer "calls" its securities during a time of declining interest rates, the fund might have to reinvest the proceeds in an investment offering a lower yield, and therefore might not benefit from any increase in value as a result of declining interest rates. During periods of market illiquidity or rising interest rates, prices of "callable" issues are subject to increased price fluctuation.

● Market sector risk. The fund may significantly overweight or underweight certain companies, industries or market sectors, which may cause the fund's performance to be more or less sensitive to developments affecting those companies, industries or sectors.

● Mortgage-related securities risk. Mortgage-related securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. The fund is subject to the credit risk associated with these securities, including the market's perception of the creditworthiness of the issuing federal agency, as well as the credit quality of the underlying assets. Although certain mortgage-related securities are guaranteed as to the timely payment of interest and principal by a third party (such as a U.S. government agency or instrumentality with respect to government-related mortgage-backed securities) the market prices for such securities are not guaranteed and will fluctuate. Privately issued mortgage-related securities also are subject to credit risks associated with the performance of the underlying mortgage properties, and

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may be more volatile and less liquid than more traditional government-backed debt securities. As with other interest-bearing securities, the prices of certain mortgage-related securities are inversely affected by changes in interest rates. However, although the value of a mortgage-related security may decline when interest rates rise, the converse is not necessarily true, since in periods of declining interest rates the mortgages underlying the security are more likely to be prepaid causing the fund to purchase new securities at current market rates, which usually will be lower. The loss of higher yielding underlying mortgages and the reinvestment of proceeds at lower interest rates, known as prepayment risk, can reduce the fund's potential price gain in response to falling interest rates, reduce the fund's yield and/or cause the fund's share price to fall. When interest rates rise, the effective duration of the fund's mortgage-related and other asset-backed securities may lengthen due to a drop in prepayments of the underlying mortgages or other assets. This is known as extension risk and would increase the fund's sensitivity to rising interest rates and its potential for price declines.

● Asset-backed securities risk. Asset-backed securities are complex derivative instruments, subject to credit, prepayment and extension risk, and may be more volatile, less liquid and more difficult to price accurately than more traditional debt securities. General downturns in the economy could cause the value of asset-backed securities to fall. In addition, asset-backed securities present certain risks that are not presented by mortgage-backed securities. Primarily, these securities may provide the fund with a less effective security interest in the related collateral than do mortgage-backed securities. Therefore, there is the possibility that recoveries on the underlying collateral may not, in some cases, be available to support payments on these securities.

● Derivatives risk. A small investment in derivatives could have a potentially large impact on the fund's performance. The use of derivatives involves risks different from, or possibly greater than, the risks associated with investing directly in the underlying assets, and the fund's use of derivatives may result in losses to the fund. Derivatives in which the fund may invest can be highly volatile, illiquid and difficult to value, and there is the risk that changes in the value of a derivative held by the fund will not correlate with the underlying assets or the fund's other investments in the manner intended. Certain derivatives have the potential for unlimited loss, regardless of the size of the initial investment, and involve greater risks than the underlying assets because, in addition to general market risks, they are subject to liquidity risk, credit and counterparty risk (failure of the counterparty to the derivatives transaction to honor its obligation) and pricing risk (risk that the derivative cannot or will not be accurately valued). Future rules and regulations of the Securities and Exchange Commission (SEC) may require the fund to alter, perhaps materially, its use of derivatives.

● Leverage risk. The use of leverage, such as lending portfolio securities, entering into futures contracts or forward currency contracts, and engaging in forward commitment transactions, may magnify the fund's gains or losses. Because many derivatives have a leverage component, adverse changes in the value or level of the underlying asset or reference rate can result in a loss substantially greater than the amount invested in the derivative itself.

● Foreign government obligations and securities of supranational entities risk. Investing in foreign government obligations, debt obligations of supranational entities and the sovereign debt of foreign countries, including emerging market countries, creates exposure to the direct or indirect consequences of political, social or economic changes in the countries that issue the securities or in which the issuers are located. The ability and willingness of sovereign obligors or the governmental authorities that control repayment of their debt to pay principal and interest on such debt when due may depend on general economic and political conditions within the relevant country. Certain countries in which the fund may invest have historically experienced, and may continue to experience, high rates of inflation, high interest rates and extreme poverty and unemployment. Some of these countries are also characterized by political uncertainty or instability. Additional factors which may influence the ability or willingness of a foreign government or country to service debt include a country's cash flow situation, the availability of sufficient foreign exchange on the date a payment is due, the relative size of its debt service burden to the economy as a whole and its government's policy towards the International Monetary Fund, the International Bank for Reconstruction and Development and other international agencies. The ability of a foreign sovereign obligor to make timely payments on its external debt obligations also will be strongly influenced by the obligor's balance of payments, including export performance, its access to international credit and investments, fluctuations in interest rates and the extent of its foreign reserves. A governmental obligor may default on its obligations. Some sovereign obligors have been among the world's largest debtors to commercial banks, other governments, international financial organizations and other financial institutions. These obligors, in the past, have experienced substantial difficulties in servicing their external debt obligations, which led to defaults on certain obligations and the restructuring of certain indebtedness.

● Foreign currency risk. Investments in foreign currencies are subject to the risk that those currencies will decline in value relative to the U.S. dollar or, in the case of hedged positions, that the U.S. dollar will decline relative to the currency being hedged. Currency exchange rates may fluctuate significantly over short periods of time. Foreign currencies are also subject to risks caused by inflation, interest rates, budget deficits and low savings rates, political factors and government intervention and controls. The fund's investments could be adversely affected by delays in, or a refusal to grant, repatriation of funds or conversion of emerging market currencies.

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● Subordinated securities risk. Holders of securities that are subordinated or "junior" to more senior securities of an issuer are entitled to payment after holders of more senior securities of the issuer. Subordinated securities are more likely to suffer a credit loss than non-subordinated securities of the same issuer, any loss incurred by the subordinated securities is likely to be proportionately greater, and any recovery of interest or principal may take more time. As a result, even a perceived decline in creditworthiness of the issuer is likely to have a greater impact on the market value of these securities. Subordinated loans generally are subject to similar risks as those associated with investments in senior loans, except that such loans are subordinated in payment and/or lower in lien priority to first lien holders. Consequently, subordinated loans generally have greater price volatility than senior loans and may be less liquid. The risks associated with subordinated unsecured loans, which are not backed by a security interest in any specific collateral, are higher than those for comparable loans that are secured by specific collateral.

● Participation interests and assignments risk. A participation interest gives the fund an undivided interest in a loan in the proportion that the fund's participation interest bears to the total principal amount of the loan, but does not establish any direct relationship between the fund and the borrower. If a floating rate loan is acquired through a participation, the fund generally will have no right to enforce compliance by the borrower with the terms of the loan agreement against the borrower, and the fund may not directly benefit from the collateral supporting the debt obligation in which it has purchased the participation. As a result, the fund will be exposed to the credit risk of both the borrower and the institution selling the participation. The fund also may invest in a loan through an assignment of all or a portion of such loan from a third party. If a floating rate loan is acquired through an assignment, the fund may not be able to unilaterally enforce all rights and remedies under the loan and with regard to any associated collateral.

● Loan valuation risk. Because there may be a lack of centralized information and trading for certain loans in which the fund may invest, reliable market value quotations may not be readily available for such loans and their valuation may require more research than for securities with a more developed secondary market. Moreover, the valuation of such loans may be affected by uncertainties in the conditions of the financial market, unreliable reference data, lack of transparency and inconsistency of valuation models and processes.

● Floating rate loan risk. Unlike publicly traded common stocks which trade on national exchanges, there is no central market or exchange for loans to trade. Loans trade in an over-the-counter market, and confirmation and settlement, which are effected through standardized procedures and documentation, may take significantly longer than seven days to complete. The secondary market for floating rate loans also may be subject to irregular trading activity and wide bid/ask spreads. The lack of an active trading market for certain floating rate loans may impair the ability of the fund to realize full value in the event of the need to sell a floating rate loan and may make it difficult to value such loans. There may be less readily available, reliable information about certain floating rate loans than is the case for many other types of securities, and the fund's portfolio managers may be required to rely primarily on their own evaluation of a borrower's credit quality rather than on any available independent sources. The value of collateral, if any, securing a floating rate loan can decline, and may be insufficient to meet the issuer's obligations in the event of non-payment of scheduled interest or principal or may be difficult to readily liquidate. In the event of the bankruptcy of a borrower, the fund could experience delays or limitations imposed by bankruptcy or other insolvency laws with respect to its ability to realize the benefits of the collateral securing a loan. These laws may be less developed and more cumbersome with respect to the fund's non-U.S. investments. Uncollateralized senior loans involve a greater risk of loss. Some floating rate loans are subject to the risk that a court, pursuant to fraudulent conveyance or other similar laws, could subordinate the loans to presently existing or future indebtedness of the borrower or take other action detrimental to lenders, including the fund, such as invalidation of loans. The floating rate loans in which the fund invests typically will be below investment grade quality and, like other below investment grade securities, are inherently speculative. As a result, the risks associated with such floating rate loans are similar to the risks of below investment grade securities, although senior loans are typically senior and secured in contrast to other below investment grade securities, which are often subordinated and unsecured. Floating rate loans may not be considered to be "securities" for purposes of the anti-fraud protections of the federal securities laws, including those with respect to the use of material non-public information, so that purchasers, such as the fund, may not have the benefit of these protections.

● Securities lending risk. The fund may lend its portfolio securities to brokers, dealers and other financial institutions. In connection with such loans, the fund will receive collateral from the borrower equal to at least 100% of the value of the loaned securities. If the borrower of the securities fails financially, there could be delays in recovering the loaned securities or exercising rights to the collateral.

● Temporary investment risk. Under adverse market conditions, the fund could invest some or all of its assets in U.S. Treasury securities and money market securities. Although the fund would do this for temporary defensive purposes, it could reduce the benefit from any upswing in the market. During such periods, the fund's investments may not be consistent with its principal investment strategy and the fund may not achieve its investment objective.

● Market risk. The value of the securities in which the fund invests may be affected by political, regulatory, economic and social developments, and developments that impact specific economic sectors, industries or segments of the market. 

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In addition, turbulence in financial markets and reduced liquidity in equity, credit and/or fixed income markets may negatively affect many issuers, which could adversely affect the fund.  Global economies and financial markets are becoming increasingly interconnected, and conditions and events in one country, region or financial market may adversely impact issuers in a different country, region or financial market.  These risks may be magnified if certain events or developments adversely interrupt the global supply chain; in these and other circumstances, such risks might affect companies world-wide.  Recent examples include pandemic risks related to COVID-19 and aggressive measures taken world-wide in response by governments, including closing borders, restricting international and domestic travel, and the imposition of prolonged quarantines of large populations, and by businesses, including changes to operations and reducing staff.  The effects of COVID-19 have contributed to increased volatility in global markets and will likely affect certain countries, companies, industries and market sectors more dramatically than others. The COVID-19 pandemic has had, and any other outbreak of an infectious disease or other serious public health concern could have, a significant negative impact on economic and market conditions and could trigger a prolonged period of global economic slowdown. To the extent the fund may overweight its investments in certain countries, companies, industries or market sectors, such positions will increase the fund's exposure to risk of loss from adverse developments affecting those countries, companies, industries or sectors.

The asset management philosophy of BNYM Investment Adviser is based on the belief that discipline and consistency are important to investment success. For each fund, BNYM Investment Adviser seeks to establish clear guidelines for portfolio management and to be systematic in making decisions. This approach is designed to provide each fund with a distinct, stable identity.

David Bowser, CFA, Nathaniel Hyde, CFA, and Scott Zaleski, CFA, are the fund's primary portfolio managers, positions they have held since July 2008, March 2018 and July 2019, respectively. Messrs. Bowser, Hyde and Zaleski are jointly and primarily responsible for managing the fund's portfolio. Mr. Bowser is a director and senior portfolio manager on the Global Multi-Sector Investment team at Mellon Investments Corporation, an affiliate of BNYM Investment Adviser. He has been employed by Mellon or a predecessor company of Mellon since 2000, and by BNYM Investment Adviser since July 2006. Mr. Hyde is a vice president and portfolio manager on the Global Multi-Sector Fixed Income team for Mellon. Mr. Hyde has been employed by Mellon or a predecessor company of Mellon since 2007, and by BNYM Investment Adviser since May 2018. Mr. Zaleski is a director and senior portfolio manager on the Global Multi-Sector Fixed Income team at Mellon. He has been employed by Mellon or a predecessor company of Mellon since 2014, and by BNYM Investment Adviser since February 2018. Messrs. Hyde, Bowser and Zaleski manage the fund in their capacity as employees of BNYM Investment Adviser.

The fund's Statement of Additional Information (SAI) provides additional portfolio manager information, including compensation, other accounts managed and ownership of fund shares.

BNY Mellon Securities Corporation (BNYMSC), a wholly-owned subsidiary of BNYM Investment Adviser, serves as distributor of the fund and of the other funds in the BNY Mellon Family of Funds. Any Rule 12b-1 fees and shareholder services fees, as applicable, are paid to BNYMSC for financing the sale and distribution of fund shares and for providing shareholder account service and maintenance, respectively. BNYM Investment Adviser or BNYMSC may provide cash payments out of its own resources to financial intermediaries that sell shares of funds in the BNY Mellon

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Family of Funds or provide other services. Such payments are separate from any sales charges, 12b-1 fees and/or shareholder services fees or other expenses that may be paid by a fund to those financial intermediaries. Because those payments are not made by fund shareholders or the fund, the fund's total expense ratio will not be affected by any such payments. These payments may be made to financial intermediaries, including affiliates, that provide shareholder servicing, sub-administration, recordkeeping and/or sub-transfer agency services, marketing support and/or access to sales meetings, sales representatives and management representatives of the financial intermediary. Cash compensation also may be paid from BNYM Investment Adviser's or BNYMSC's own resources to financial intermediaries for inclusion of a fund on a sales list, including a preferred or select sales list or in other sales programs. These payments sometimes are referred to as "revenue sharing." From time to time, BNYM Investment Adviser or BNYMSC also may provide cash or non-cash compensation to financial intermediaries or their representatives in the form of occasional gifts; occasional meals, tickets or other entertainment; support for due diligence trips; educational conference sponsorships; support for recognition programs; technology or infrastructure support; and other forms of cash or non-cash compensation permissible under broker-dealer regulations. In some cases, these payments or compensation may create an incentive for a financial intermediary or its employees to recommend or sell shares of the fund to you. This potential conflict of interest may be addressed by policies, procedures or practices that are adopted by the financial intermediary. As there may be many different policies, procedures or practices adopted by different intermediaries to address the manner in which compensation is earned through the sale of investments or the provision of related services, the compensation rates and other payment arrangements that may apply to a financial intermediary and its representatives may vary by intermediary. Please contact your financial representative for details about any payments they or their firm may receive in connection with the sale of fund shares or the provision of services to the fund.

Class D shares of the fund are subject to an annual shareholder services plan fee of 0.20% payable to the fund's distributor in respect of the provision of personal services to shareholders, such as answering shareholder inquiries regarding the fund, and/or the maintenance of shareholder accounts. The fund's distributor may pay financial intermediaries from the fees it receives under the shareholder services plan for the provision of such services by the financial intermediaries to their clients who are beneficial owners of Class D shares of the fund.

The fund, BNYM Investment Adviser and BNYMSC have each adopted a code of ethics that permits its personnel, subject to such code, to invest in securities, including securities that may be purchased or held by the fund. Each code of ethics restricts the personal securities transactions of employees, and requires portfolio managers and other investment personnel to comply with the code's preclearance and disclosure procedures. The primary purpose of the respective codes is to ensure that personal trading by employees is done in a manner that does not disadvantage the fund or other client accounts.

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Shareholder Guide

Your order will be priced at the next NAV calculated after your order is received in proper form by the fund's transfer agent or other authorized entity. "Proper form" refers to completion of an account application (if applicable), satisfaction of requirements in this section (subject to "Shareholder Guide—General Policies") and any applicable conditions in "Additional Information About How to Redeem Shares" in the SAI. Authorized entities other than the fund's transfer agent may apply different conditions for the satisfaction of "proper form" requirements. For more information, consult a representative of your financial intermediary. When calculating NAVs, BNYM Investment Adviser generally values fixed-income investments based on values supplied by an independent pricing service approved by the fund's board. The pricing service's procedures are reviewed under the general supervision of the board. If market quotations or official closing prices or valuations from a pricing service are not readily available, or are determined not to reflect accurately fair value, the fund may value those investments at fair value as determined in accordance with procedures approved by the fund's board. Fair value of investments may be determined by the fund's board, its pricing committee or its valuation committee in good faith using such information as it deems appropriate under the circumstances. Using fair value to price investments may result in a value that is different from a security's most recent closing price and from the prices used by other mutual funds to calculate their NAVs. Over-the-counter derivative instruments generally will be valued based on values supplied by an independent pricing service approved by the fund's board. Futures contracts will be valued at the most recent settlement price. Forward currency contracts will be valued using the forward rate obtained from an independent pricing service approved by the fund's board. Foreign securities held by the fund may trade on days when the fund does not calculate its NAV and thus may affect the fund's NAV on days when investors will not be able to purchase or sell (redeem) fund shares.

Investments in certain types of thinly traded securities may provide short-term traders arbitrage opportunities with respect to the fund's shares. For example, arbitrage opportunities may exist when trading in a portfolio security or securities is halted and does not resume, or the market on which such securities are traded closes before the fund calculates its NAV. If short-term investors in the fund were able to take advantage of these arbitrage opportunities, they could dilute the NAV of fund shares held by long-term investors. Portfolio valuation policies can serve to reduce arbitrage opportunities available to short-term traders, but there is no assurance that such valuation policies will prevent dilution of the fund's NAV by short-term traders. While the fund has a policy regarding frequent trading, it too may not be completely effective to prevent short-term NAV arbitrage trading, particularly in regard to omnibus accounts. Please see "Shareholder Guide — General Policies" for further information about the fund's frequent trading policy.

Orders to buy and sell shares received by an authorized entity (such as a bank, broker-dealer or financial adviser, or Retirement Plan that has entered into an agreement with the fund's distributor) by the time as of which the fund calculates its NAV (usually 4:00 p.m. Eastern time) will be based on the NAV determined that day.

How to Buy Shares

By Mail.

Regular Accounts. To open a regular account, complete an application and mail it, together with a check payable to The BNY Mellon Family of Funds, to the appropriate address below. To purchase additional shares in a regular account, mail a check payable to The BNY Mellon Family of Funds (with your account number on your check), together with an investment slip, to the appropriate address below.

IRA Accounts. To open an IRA account or make additional investments in an IRA account, be sure to specify the fund name and the year for which the contribution is being made. When opening a new account include a completed IRA application applicable to the type of IRA for which the investment is made, and when making additional investments include an investment slip. Make checks payable to The BNY Mellon Family of Funds, and mail to the appropriate address below.

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Mailing Address. If you are investing directly through the fund, mail to:

BNY Mellon Shareholder Services
P.O. Box 9879
Providence, Rhode Island 02940-8079

If you are investing through a third party, such as a bank, broker-dealer or financial adviser, or in a Retirement Plan, mail to:

BNY Mellon Institutional Department
P.O. Box 9882
Providence, Rhode Island 02940-8082

If you are applying for an Institutional Direct account, please contact your BNY Mellon relationship manager for mailing instructions.

Electronic Check or Wire. To purchase shares by wire or electronic check, please call 1-800-373-9387 (inside the U.S. only) for more information.

Telephone or Online. To purchase additional shares by telephone or online, you can call 1-800-373-9387 (inside the U.S. only) or visit www.bnymellonim.com/us to request your transaction. In order to do so, you must have elected the TeleTransfer Privilege on your account application or a Shareholder Services Form. See "Services for Fund Investors — Wire Redemption and TeleTransfer Privileges" for more information. Institutional Direct accounts are not eligible for online services.

Automatically. You may purchase additional shares by selecting one of the automatic investment services made available to the fund on your account application or service application. See "Services for Fund Investors – Automatic Services."

The minimum initial and subsequent investment for the fund's Class D shares for regular accounts is $2,500 and $100, respectively. The minimum initial investment for Retirement Plans or IRAs (other than Coverdell Education Savings Accounts) sponsored by BNYM Investment Adviser or its affiliates is $750, with no minimum subsequent investment. The minimum initial investment for Coverdell Education Savings Accounts sponsored by BNYM Investment Adviser or its affiliates is $500, with no minimum subsequent investment. Subsequent investments made through TeleTransfer are subject to a $100 minimum and a $150,000 maximum. All investments must be in U.S. dollars. Third-party checks, cash, travelers' checks or money orders will not be accepted. You may be charged a fee for any check that does not clear.

How to Sell Shares

You may sell (redeem) shares at any time. Your shares will be sold at the next NAV calculated after your order is received in proper form by the fund's transfer agent or other authorized entity. Any certificates representing fund shares being sold must be returned with your redemption request. Your order will be processed promptly.

If you request the fund to transmit your redemption proceeds to you by check, the fund expects that your redemption proceeds normally will be sent within two business days after your request is received in proper form. If you request the fund to transmit your redemption proceeds to you by wire via the Wire Redemption Privilege ($1,000 minimum) or electronic check via the TeleTransfer Privilege ($500 minimum), and the fund has your bank account information on file, the fund expects that your redemption proceeds normally will be wired within one business day or sent by electronic check within two business days, as applicable, to your bank account after your request is received in proper form. See "Services for Fund Investors — Wire Redemption and TeleTransfer Privileges" for more information. Payment of redemption proceeds may take longer than the number of days the fund typically expects and may take up to seven days after your order is received in proper form by the fund's transfer agent or other authorized entity, particularly during periods of stressed market conditions or very large redemptions or excessive trading.

The processing of redemptions may be suspended, and the delivery of redemption proceeds may be delayed beyond seven days, depending on the circumstances, for any period: (i) during which the NYSE is closed (other than on holidays or weekends), or during which trading on the NYSE is restricted; (ii) when an emergency exists that makes the disposal of securities owned by the fund or the determination of the fair value of the fund's net assets not reasonably practicable; or (iii) as permitted by order of the Securities and Exchange Commission for the protection of fund shareholders. For these purposes, the Securities and Exchange Commission determines the conditions under which trading shall be deemed to be restricted and an emergency shall be deemed to exist.

Before selling or writing a check against shares recently purchased by check, TeleTransfer or Automatic Asset Builder, please note that:

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● if you send a written request to sell such shares, the fund may delay sending the proceeds for up to eight business days following the purchase of those shares or until the fund receives verification of clearance of the funds used to purchase such shares, whichever is earlier

● the fund will not honor redemption checks or process wire, telephone, online or TeleTransfer redemption requests for up to eight business days following the purchase of those shares or until the fund receives verification of clearance of the funds used to purchase such shares, whichever is earlier

Under normal circumstances, the fund expects to meet redemption requests by using cash it holds in its portfolio or selling portfolio securities to generate cash. In addition, the fund, and certain other funds in the BNY Mellon Family of Funds, may draw upon an unsecured credit facility for temporary or emergency purposes to meet redemption requests. The fund also reserves the right to pay redemption proceeds in securities rather than cash (i.e., "redeem in-kind"), to the extent the composition of the fund's investment portfolio enables it to do so. Generally, a redemption in-kind may be made under the following circumstances: (1) BNYM Investment Adviser determines that a redemption in-kind (i) is more advantageous to the fund (e.g., due to advantageous tax consequences or lower transaction costs) than selling/purchasing portfolio securities, (ii) will not favor the redeeming shareholder to the detriment of any other shareholder or the fund and (iii) is in the best interests of the fund; (2) to manage liquidity risk (i.e., the risk that the fund could not meet redemption requests without significant dilution of remaining investors' interests in the fund); (3) in stressed market conditions; or (4) subject to the approval of the fund's board in other circumstances identified by BNYM Investment Adviser. Securities distributed in connection with any such redemption in-kind are expected to generally represent your pro rata portion of assets held by the fund immediately prior to the redemption, with adjustments as may be necessary in connection with, for example, certain derivatives, restricted securities, odd lots or fractional shares.  Any securities distributed in-kind will remain exposed to market risk until sold, and you may incur transaction costs and taxable gain when selling the securities.

By Mail.

Regular Accounts. To redeem shares in a regular account by mail, send a letter of instruction that includes your name, your account number, the name of the fund, the share class, the dollar amount to be redeemed and how and where to send the proceeds. Mail your request to the appropriate address below.

IRA Accounts. To redeem shares in an IRA account by mail, send a letter of instruction that includes all of the same information for regular accounts and indicate whether the distribution is qualified or premature and whether the 10% TEFRA should be withheld. Mail your request to the appropriate address below.

Mailing Address. If you invested directly through the fund, mail to:

BNY Mellon Shareholder Services
P.O. Box 9879
Providence, Rhode Island 02940-8079

If you invested through a third party, such as a bank, broker-dealer or financial adviser, or in a Retirement Plan, mail to:

BNY Mellon Institutional Department
P.O. Box 9882
Providence, Rhode Island 02940-8082

If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for mailing instructions.

A medallion signature guarantee is required for some written sell orders. These include:

● amounts of $10,000 or more on accounts whose address has been changed within the last 30 days

● requests to send the proceeds to a different payee or address

● amounts of $100,000 or more

A medallion signature guarantee helps protect against fraud. You can obtain one from most banks or securities dealers, but not from a notary public. For joint accounts, each signature must be guaranteed. Please call to ensure that your medallion signature guarantee will be processed correctly.

Telephone or Online. To redeem shares by telephone or online, call 1-800-373-9387 (inside the U.S. only) or, for regular accounts, visit www.bnymellonim.com/us to request your transaction. Institutional Direct accounts are not eligible for online services.

By calling 1-800-373-9387 (inside the U.S. only), you may speak to a BNY Mellon representative and request that redemption proceeds be paid by check and mailed to your address of record (maximum $250,000 per day). For

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redemption requests made online through www.bnymellonim.com/us or through the Express voice-activated account access system, there is a $100,000 per day limit.

Automatically. You may sell shares in a regular account by completing an Automatic Withdrawal Form which you can obtain by calling 1-800-373-9387 (inside the U.S. only), visiting www.bnymellonim.com/us or contacting your financial representative. For instructions on how to establish automatic withdrawals to sell shares in an IRA account, please call 1-800-373-9387 (inside the U.S. only) or contact your financial representative. See "Services for Fund Investors — Automatic Services."

The fund and the fund's transfer agent are authorized to act on telephone or online instructions from any person representing himself or herself to be you and reasonably believed by the fund or the transfer agent to be genuine. You may be responsible for any fraudulent telephone or online order as long as the fund or the fund's transfer agent (as applicable) takes reasonable measures to confirm that the instructions are genuine.

The fund reserves the right to reject any purchase or exchange request in whole or in part. All shareholder services and privileges offered to shareholders may be modified or terminated at any time, except as otherwise stated in the fund's SAI. Please see the fund's SAI for additional information on buying and selling shares, privileges and other shareholder services.

If you invest through a financial intermediary (rather than directly through the fund), the policies may be different than those described herein. For example, banks, brokers, Retirement Plans, financial advisers and financial supermarkets may charge transaction fees and may set different minimum investments or limitations on buying or selling shares. Please consult your financial representative.

The fund is designed for long-term investors. Frequent purchases, redemptions and exchanges may disrupt portfolio management strategies and harm fund performance by diluting the value of fund shares and increasing brokerage and administrative costs. As a result, BNYM Investment Adviser and the fund's board have adopted a policy of discouraging excessive trading, short-term market timing and other abusive trading practices (frequent trading) that could adversely affect the fund or its operations. BNYM Investment Adviser and the fund will not enter into arrangements with any person or group to permit frequent trading.

The fund also reserves the right to:

● refuse any purchase or exchange request, including those from any individual or group who, in BNYM Investment Adviser's view, is likely to engage in frequent trading

● change or discontinue fund exchanges, or temporarily suspend exchanges during unusual market conditions

● change its minimum investment amount

More than four roundtrips within a rolling 12-month period generally is considered to be frequent trading. A roundtrip consists of an investment that is substantially liquidated within 60 days. Based on the facts and circumstances of the trades, the fund may also view as frequent trading a pattern of investments that are partially liquidated within 60 days.

Transactions made through the Automatic Withdrawal Plan, Auto-Exchange Privileges, automatic investment plans (including Automatic Asset Builder), automatic non-discretionary rebalancing programs and minimum required retirement distributions generally are not considered to be frequent trading. For Retirement Plans, generally only participant-initiated exchange transactions are subject to the roundtrip limit.

BNYM Investment Adviser monitors selected transactions to identify frequent trading. When its surveillance systems identify multiple roundtrips, BNYM Investment Adviser evaluates trading activity in the account for evidence of frequent trading. BNYM Investment Adviser considers the investor's trading history in other accounts under common ownership or control, in other funds in the BNY Mellon Family of Funds and BNY Mellon Funds Trust and, if known, in non-affiliated mutual funds and accounts under common control. These evaluations involve judgments that are inherently subjective, and while BNYM Investment Adviser seeks to apply the policy and procedures uniformly, it is possible that similar transactions may be treated differently. In all instances, BNYM Investment Adviser seeks to make these judgments to the best of its abilities in a manner that it believes is consistent with shareholder interests. If BNYM Investment Adviser concludes the account is likely to engage in frequent trading, BNYM Investment Adviser may cancel or revoke the purchase or exchange on the following business day. BNYM Investment Adviser may also temporarily or permanently bar such investor's future purchases into the fund in lieu of, or in addition to, canceling or revoking the trade. At its discretion, BNYM Investment Adviser may apply these restrictions across all accounts under common ownership, control or perceived affiliation.

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Fund shares often are held through omnibus accounts maintained by financial intermediaries, such as brokers and Retirement Plan administrators, where the holdings of multiple shareholders, such as all the clients of a particular broker, are aggregated. BNYM Investment Adviser's ability to monitor the trading activity of investors whose shares are held in omnibus accounts is limited. However, the agreements between the distributor and financial intermediaries include obligations to comply with the terms of this prospectus and to provide BNYM Investment Adviser, upon request, with information concerning the trading activity of investors whose shares are held in omnibus accounts. If BNYM Investment Adviser determines that any such investor has engaged in frequent trading of fund shares, BNYM Investment Adviser may require the financial intermediary to restrict or prohibit future purchases or exchanges of fund shares by that investor.

Certain Retirement Plans and intermediaries that maintain omnibus accounts with the fund may have developed policies designed to control frequent trading that may differ from the fund's policy. At its sole discretion, the fund may permit such intermediaries to apply their own frequent trading policy. If you are investing in fund shares through a financial intermediary (or in the case of a Retirement Plan, your plan sponsor), please contact the financial intermediary for information on the frequent trading policies applicable to your account. To the extent the fund significantly invests in foreign securities traded on markets that close before the fund calculates its NAV, events that influence the value of these foreign securities may occur after the close of these foreign markets and before the fund calculates its NAV. As a result, certain investors may seek to trade fund shares in an effort to benefit from their understanding of the value of these foreign securities at the time the fund calculates its NAV (referred to as price arbitrage). This type of frequent trading may dilute the value of fund shares held by other shareholders. The fund has adopted procedures designed to adjust closing market prices of foreign equity securities under certain circumstances to reflect what it believes to be their fair value.

To the extent the fund significantly invests in thinly traded securities, certain investors may seek to trade fund shares in an effort to benefit from their understanding of the value of these securities (referred to as price arbitrage). Any such frequent trading strategies may interfere with efficient management of the fund's portfolio to a greater degree than funds that invest in highly liquid securities, in part because the fund may have difficulty selling these portfolio securities at advantageous times or prices to satisfy large and/or frequent redemption requests. Any successful price arbitrage may also cause dilution in the value of fund shares held by other shareholders.

Although the fund's frequent trading and fair valuation policies and procedures are designed to discourage market timing and excessive trading, none of these tools alone, nor all of them together, completely eliminates the potential for frequent trading.

Small Account Policy

If your account falls below $500, the fund may ask you to increase your balance. If it is still below $500 after 45 days, the fund may close your account and send you the proceeds.

Escheatment

If your account is deemed "abandoned" or "unclaimed" under state law, the fund may be required to "escheat" or transfer the assets in your account to the applicable state's unclaimed property administration. The state may sell escheated shares and, if you subsequently seek to reclaim your proceeds of liquidation from the state, you may only be able to recover the amount received when the shares were sold. It is your responsibility to ensure that you maintain a correct address for your account, keep your account active by contacting the fund's transfer agent or distributor by mail or telephone or accessing your account through the fund's website at least once a year, and promptly cash all checks for dividends, capital gains and redemptions. The fund, the fund's transfer agent and BNYM Investment Adviser and its affiliates will not be liable to shareholders or their representatives for good faith compliance with state escheatment laws.

The fund earns dividends, interest and other income from its investments, and distributes this income (less expenses) to shareholders as dividends. The fund also realizes capital gains from its investments, and distributes these gains (less any losses) to shareholders as capital gain distributions. The fund normally declares dividends from its net investment income on each business day (each day the fund calculates its NAV) and pays dividends monthly and capital gain distributions, if any, annually. Fund dividends and capital gain distributions will be reinvested in the fund unless you or your financial intermediary instruct the fund otherwise. There are no fees or sales charges imposed by the fund on reinvestments.

Distributions paid by the fund are subject to federal income tax, and also may be subject to state or local tax (unless you are investing through an IRA, Retirement Plan or other U.S. tax-advantaged investment plan). For federal tax purposes, in general, certain fund distributions, including distributions of short-term capital gains, are taxable as ordinary income.

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Other fund distributions, including dividends from certain U.S. companies and certain foreign companies and distributions of long-term capital gains, generally are taxable as qualified dividends and capital gains, respectively.

High portfolio turnover and more volatile markets can result in significant taxable distributions to shareholders, regardless of whether their shares have increased in value. The tax status of any distribution generally is the same regardless of how long you have been in the fund and whether you reinvest your distributions or take them in cash.

If you buy shares of the fund when the fund has realized but not yet distributed income or capital gains, you will be "buying a dividend" by paying the full price for the shares and then receiving a portion back in the form of a taxable distribution.

Your sale of shares, including exchanges into other funds, may result in a capital gain or loss for tax purposes. A capital gain or loss on your investment in the fund generally is the difference between the cost of your shares and the amount you receive when you sell them.

The tax status of your distributions will be detailed in your annual tax statement from the fund. Because everyone's tax situation is unique, please consult your tax adviser before investing.

Annual year-end distribution estimates, if any, are expected to be available beginning in early October, and may be updated from time to time, at http://im.bnymellon.com/taxcenter or by calling 1-800-373-9387 (inside the U.S. only) or your financial representative.

The following services may be available to fund investors. If you purchase shares through a third party financial intermediary or in a Retirement Plan, the financial intermediary or Retirement Plan recordkeeper may impose different restrictions on these services and privileges, or may not make them available at all. Consult a representative of your financial intermediary or Retirement Plan for further information.

Automatic Services

Buying or selling shares automatically is easy with the services described below. With each service, you select a schedule and amount, subject to certain restrictions. For information, call 1-800-373-9387 (inside the U.S. only) or your financial representative.

Automatic Asset Builder permits you to purchase fund shares (minimum of $100 and maximum of $150,000 per transaction) at regular intervals selected by you. Fund shares are purchased by transferring funds from the bank account designated by you.

Payroll Savings Plan permits you to purchase fund shares (minimum of $100 per transaction) automatically through a payroll deduction.

Government Direct Deposit permits you to purchase fund shares (minimum of $100 and maximum of $50,000 per transaction) automatically from your federal employment, Social Security or other regular federal government check.

Dividend Sweep permits you to automatically reinvest dividends and distributions from the fund in shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may invest automatically your dividends and distributions from the fund only in shares of the same class of another fund in the BNY Mellon Family of Funds. Shares held through a Coverdell Education Savings Account sponsored by BNYM Investment Adviser or its affiliates are not eligible for this privilege.

Auto-Exchange Privilege permits you to exchange at regular intervals your fund shares for shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may only exchange fund shares for shares of the same class of another fund in the BNY Mellon Family of Funds.

Automatic Withdrawal Plan permits you to make withdrawals (minimum of $50) on a specific day each month, quarter or semiannual or annual period, provided your account balance is at least $5,000.

Fund Exchanges

Generally, you can exchange shares worth $500 or more (no minimum for Retirement Plans and IRAs sponsored by BNYM Investment Adviser or its affiliates) into shares of the same class, or another class in which you are eligible to invest, of another fund in the BNY Mellon Family of Funds. However, if you hold fund shares through financial intermediary brokerage platforms, you may only exchange fund shares for shares of the same class of another fund in the BNY Mellon Family of Funds. You can request your exchange by calling 1-800-373-9387 (inside the U.S. only) or

19

your financial representative. If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for instructions. Be sure to read the current prospectus for any fund into which you are exchanging before investing. Any new account established through an exchange generally will have the same privileges as your original account (as long as they are available). There is currently no fee for exchanges, although you may be charged a sales load when exchanging into any fund that has one.

Your exchange request will be processed on the same business day it is received in proper form, provided that each fund is open at the time of the request (i.e., the request is received by the latest time each fund calculates its NAV for that business day). If the exchange is accepted at a time of day after one or both of the funds is closed (i.e., at a time after the NAV for the fund has been calculated for that business day), the exchange will be processed on the next business day. See the SAI for more information regarding exchanges.

Wire Redemption and TeleTransfer Privileges

To redeem shares from your fund account with a phone call (for regular or IRA accounts) or online (for regular accounts only), use the Wire Redemption Privilege or the TeleTransfer Privilege. To purchase additional shares in your fund account with a phone call (for regular or IRA accounts) or online (for regular accounts only), use the TeleTransfer Privilege. You can set up the Wire Redemption Privilege and TeleTransfer Privilege on your account by providing bank account information and following the instructions on your application or, if your account has already been established, a Shareholder Services Form which you can obtain by calling 1-800-373-9387 (inside the U.S. only), visiting www.bnymellonim.com/us or contacting your financial representative. Shares held in a Coverdell Education Savings Account may not be redeemed through the Wire Redemption or TeleTransfer Privileges. Institutional Direct accounts are not eligible for the Wire Redemption or TeleTransfer Privileges initiated online.

Account Statements

Every investor in a fund in the BNY Mellon Family of Funds automatically receives regular account statements. You will also be sent a yearly statement detailing the tax characteristics of any dividends and distributions you have received.

Checkwriting Privilege

You may write redemption checks against your account in amounts of $500 or more. These checks are free; however, a fee will be charged if you request a stop payment or if the transfer agent cannot honor a redemption check due to insufficient funds or another valid reason. Please do not postdate your checks or use them to close your account. Allow approximately two weeks after the fund's receipt of your initial investment for receipt of your checkbook.

Express Voice-Activated Account Access System

You can check your account balances, get fund price and performance information, order documents and much more, by calling 1-800-373-9387 (inside the U.S. only) and using the Express voice-activated account access system. You may also be able to purchase fund shares and/or transfer money between your funds in the BNY Mellon Family of Funds using the Express voice-activated account access system. Certain requests require the services of a representative.

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These financial highlights describe the performance of the fund's Class D shares for the fiscal periods indicated. "Total return" shows how much your investment in the fund would have increased (or decreased) during each period, assuming you had reinvested all dividends and distributions. These financial highlights have been derived from the fund's financial statements, which have been audited by Ernst & Young LLP, an independent registered public accounting firm, whose report, along with the fund's financial statements, is included in the annual report, which is available upon request.

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For More Information

BNY Mellon Short Term Income Fund
A series of BNY Mellon Investment Grade Funds, Inc.

More information on this fund is available free upon request, including the following:

Annual/Semiannual Report

The fund's annual and semiannual reports describe the fund's performance, list portfolio holdings and contain a letter from the fund's manager discussing recent market conditions, economic trends and fund strategies that significantly affected the fund's performance during the period covered by the report. The fund's most recent annual and semiannual reports are available at www.bnymellonim.com/us.

Statement of Additional Information (SAI)

The SAI provides more details about the fund and its policies. A current SAI is available at www.bnymellonim.com/us and is on file with the Securities and Exchange Commission (SEC). The SAI, as amended or supplemented from time to time, is incorporated by reference (and is legally considered part of this prospectus).

Portfolio Holdings

Funds in the BNY Mellon Family of Funds (except Dreyfus money market funds) generally disclose, at www.bnymellonim.com/us, (1) complete portfolio holdings as of each month-end with a one month lag and as of each calendar quarter end with a 15-day lag; (2) top 10 holdings as of each month-end with a 10-day lag; and (3) from time to time, certain security-specific performance attribution data as of a month-end, with a 10-day lag. From time to time a fund may make available certain portfolio characteristics, such as allocations, performance- and risk-related statistics, portfolio-level statistics and non-security specific attribution analyses, on request.  For funds in the BNY Mellon Family of Funds (except Dreyfus money market funds), portfolio holdings will remain on the website for a period of six months and any security-specific performance attribution data will remain on the website for varying periods up to six months, provided that portfolio holdings will remain until the fund files its Form N-PORT or Form N-CSR for the period that includes the dates of the posted holdings.  Dreyfus money market funds generally disclose, at www.dreyfus.com, their complete schedule of holdings daily.  Each Dreyfus money market fund's daily posting of its complete portfolio holdings will remain available on the website for five months. 

A complete description of the fund's policies and procedures with respect to the disclosure of the fund's portfolio securities is available in the fund's SAI and at www.bnymellonim.com/us.

To Obtain Information

By telephone. Call 1-800-373-9387 (inside the U.S. only)

By mail.
The BNY Mellon Family of Funds
144 Glenn Curtiss Boulevard
Uniondale, NY 11556-0144

By E-mail. Send your request to info@bnymellon.com

On the Internet. Certain fund documents can be viewed online or downloaded from:

SEC: www.sec.gov

Dreyfus money market funds: www.dreyfus.com

This prospectus does not constitute an offer or solicitation in any state or jurisdiction in which, or to any person to whom, such offering or solicitation may not lawfully be made.

SEC file number: 811-06718

BNY Mellon
Short Term Income Fund

As with all mutual funds, the Securities and Exchange Commission has not approved or disapproved
these securities or passed upon the adequacy of this prospectus. Any representation to the contrary is
a criminal offense.

Contents

See back cover.

 i Fund Summary

 i Example

 i Portfolio Turnover

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repaid with interest. Average effective portfolio maturity is an average of the maturities of bonds held by the fund directly and the bonds underlying derivative instruments entered into by the fund, if any, adjusted to reflect provisions or market conditions that may cause a bond's principal to be repaid earlier than at its stated maturity. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates.

For additional yield, the fund may invest up to 20% of its assets in fixed-income securities rated below investment grade ("high yield" or "junk" bonds) to as low as Caa/CCC or the unrated equivalent as determined by BNY Mellon Investment Adviser, Inc. The fund will focus on U.S. securities, but may invest up to 30% of its total assets in fixed-income securities of foreign issuers (i.e., securities issued by companies organized under the laws of countries other than the U.S. or securities issued by foreign governments), including those of issuers in emerging markets.

● Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

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● High yield securities risk. High yield ("junk") securities involve greater credit risk, including the risk of default, than investment grade securities, and are considered predominantly speculative with respect to the issuer's ability to make principal and interest payments. The prices of high yield securities can fall in response to bad news about the issuer or its industry, or the economy in general, to a greater extent than those of higher rated securities.

● Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. The secondary market for certain municipal bonds tends to be less well developed or liquid than many other securities markets, which may adversely affect the fund's ability to sell such municipal bonds at attractive prices. Investments that are illiquid or that trade in lower volumes may be more difficult to value. The market for below investment grade securities may be less liquid and therefore these securities may be harder to value or sell at an acceptable price, especially during times of market volatility or decline. Investments in foreign securities, particularly those of issuers located in emerging markets, tend to have greater exposure to liquidity risk than domestic securities. No active trading market may exist for some of the floating rate loans in which the fund invests and certain loans may be subject to restrictions on resale. Because some floating rate loans that the fund invests in may have a more limited secondary market, liquidity risk is more pronounced for the fund than for mutual funds that invest primarily in other types of fixed-income instruments or equity securities. Liquidity risk also may refer to the risk that the fund will not be able to pay redemption proceeds within the allowable time period stated in this prospectus because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions, which may adversely affect the fund's share price.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

● Emerging market risk. The securities of issuers located or doing substantial business in emerging market countries tend to be more volatile and less liquid than the securities of issuers located in countries with more mature economies. Emerging markets generally have less diverse and less mature economic structures and less stable political systems than those of developed countries. Investments in these countries may be subject to political, economic, legal, market and currency risks. The risks may include less protection of property rights and uncertain political and economic policies, the imposition of capital controls and/or foreign investment limitations by a country, nationalization of businesses and the imposition of sanctions by other countries, such as the United States.

● Non-diversification risk.  i The fund is non-diversified, which means that the fund may invest a relatively high percentage of its assets in a limited number of issuers. Therefore, the fund's performance may be more vulnerable to changes in the market value of a single issuer or group of issuers and more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund.

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

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● Portfolio turnover risk. The fund may engage in short-term trading, which could produce higher transaction costs and taxable distributions, and lower the fund's after-tax performance. The fund's forward roll transactions will increase its portfolio turnover rate.

● Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, or to factors that affect the issuer's industry.

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The fund's investment adviser is BNY Mellon Investment Adviser, Inc. (BNYM Investment Adviser).

David Bowser, CFA, Nathaniel Hyde, CFA, and Scott Zaleski, CFA, are the fund's primary portfolio managers, positions they have held since July 2008, March 2018 and July 2019, respectively. Mr. Bowser is a director and senior portfolio manager on the Global Multi-Sector Investment team at Mellon Investments Corporation (Mellon), an affiliate of BNYM Investment Adviser. Mr. Hyde is a vice president and portfolio manager on the Global Multi-Sector Fixed Income team at Mellon. Mr. Zaleski is a director and senior portfolio manager on the Global Multi-Sector Fixed Income team at Mellon. Messrs. Bowser, Hyde and Zaleski are also employees of BNYM Investment Adviser.

In general, for Class P shares, the fund's minimum initial investment is $100,000 and the minimum subsequent investment is $100. You may sell (redeem) your shares on any business day by calling 1-800-373-9387 (inside the U.S. only) or by visiting www.bnymellonim.com/us. If you invested in the fund through a third party, such as a bank, broker-dealer or financial adviser, or through a Retirement Plan (as defined below), you may mail your request to sell shares to BNY Mellon Institutional Department, P.O. Box 9882, Providence, Rhode Island 02940-8082. If you invested directly through the fund, you may mail your request to sell shares to BNY Mellon Shareholder Services, P.O. Box 9879, Providence, Rhode Island 02940-8079. If you are an Institutional Direct accountholder, please contact your BNY Mellon relationship manager for instructions.

Retirement Plans include qualified or non-qualified employee benefit plans, such as 401(k), 403(b)(7), Keogh, pension, profit-sharing and other deferred compensation plans, whether established by corporations, partnerships, sole proprietorships, non-profit entities, trade or labor unions, or state and local governments, but do not include IRAs (including, without limitation, traditional IRAs, Roth IRAs, Coverdell Education Savings Accounts, IRA "Rollover Accounts" or IRAs set up under Simplified Employee Pension Plans (SEP-IRAs), Salary Reduction Simplified Employee Pension Plans (SARSEPs) or Savings Incentive Match Plans for Employees (SIMPLE IRAs)).

The fund's distributions are taxable as ordinary income or capital gains, except when your investment is through an IRA, Retirement Plan or other U.S. tax-advantaged investment plan (in which case you may be taxed upon withdrawal of your investment from such account).

If you purchase shares through a broker-dealer or other financial intermediary (such as a bank), the fund's distributor and its related companies may pay the intermediary for the sale of fund shares and related services. To the extent that the intermediary may receive lesser or no payments in connection with the sale of other investments, the payments from the fund's distributor and its related companies may create a potential conflict of interest by influencing the broker-dealer or other intermediary and your financial representative to recommend the fund over the other investments. This potential conflict of interest may be addressed by policies, procedures or practices adopted by the financial intermediary. As there may be many different policies, procedures or practices adopted by different intermediaries to address the manner in which compensation is earned through the sale of investments or the provision of related services, the compensation rates and other payment arrangements that may apply to a financial intermediary and its representatives may vary by intermediary. Ask your financial representative or visit your financial intermediary's website for more information.

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Fund Details

The fund seeks to maximize total return, consisting of capital appreciation and current income. To pursue its goal, the fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in fixed-income securities of U.S. and foreign issuers rated investment grade or the unrated equivalent as determined by BNYM Investment Adviser. These securities include: U.S. government bonds and notes, corporate bonds, municipal bonds, convertible securities, preferred stocks, inflation-indexed securities, asset-backed securities, mortgage-related securities (including CMOs), floating rate loans (limited to up to 20% of the fund's net assets) and other floating rate securities and foreign bonds.

Typically, the fund's portfolio can be expected to have an average effective maturity and an average effective duration of three years or less. The fund may invest in individual fixed-income securities of any maturity or duration. A bond's maturity is the length of time until the principal must be fully repaid with interest. Average effective portfolio maturity is an average of the maturities of bonds held by the fund directly and the bonds underlying derivative instruments entered into by the fund, if any, adjusted to reflect provisions or market conditions that may cause a bond's principal to be repaid earlier than at its stated maturity. Duration is an indication of an investment's "interest rate risk," or how sensitive a bond or the fund's portfolio may be to changes in interest rates. Generally, the longer a bond's duration, the more likely it is to react to interest rate fluctuations and the greater its long-term risk/return potential. In calculating average effective portfolio maturity and average effective duration, the fund may treat a security that can be repurchased by its issuer on an earlier date (known as a "call date") as maturing on the call date rather than on its stated maturity date.

Credit ratings are determined by independent rating organizations that analyze and evaluate a bond issuer's, and/or any credit enhancer's, credit profile and ability to repay debts. Based on their assessment, these rating organizations assign letter grades that reflect the issuer's, and/or any credit enhancer's, creditworthiness. AAA or Aaa represents the highest credit rating, AA/Aa the second highest, and so on down to D, for defaulted debt. Bonds rated BBB or Baa and above are considered investment grade.

For additional yield, the fund may invest up to 20% of its assets in fixed-income securities rated below investment grade ("high yield" or "junk" bonds) to as low as Caa/CCC or the unrated equivalent as determined by BNYM Investment Adviser.

The fund will focus on U.S. securities, but may invest up to 30% of its total assets in fixed-income securities of foreign issuers (i.e., securities issued by companies organized under the laws of countries other than the U.S. or securities issued by foreign governments), including those of issuers in emerging markets.

The fund's investments in floating rate loans are generally focused on senior secured loans but also may include second lien loans, senior unsecured loans, subordinated loans, and fixed rate loans with respect to which the fund has entered into derivative instruments (principally swap agreements and options on swap agreements) to effectively convert the fixed rate interest payments into floating rate interest payments. The fund also may purchase participations and assignments in, and commitments to purchase, floating rate loans. Investments in floating rate loans and other floating rate securities generally will focus on U.S. issuers, but the fund may invest in foreign issuers, typically those located in foreign countries that are members of the Organization for Economic Co-operation and Development.

The portfolio managers buy and sell fixed-income securities based on credit quality, financial outlook and yield potential. Fixed-income securities with deteriorating credit quality are potential sell candidates, while those offering higher yields are potential buy candidates.

Although not a principal investment strategy, the fund may, but is not required to, use derivative instruments as a substitute for investing directly in an underlying asset, to increase returns, to manage interest rate risk, to manage the effective duration or maturity of the fund's portfolio, or as part of a hedging strategy. The derivative instruments in which the fund may invest include principally options, futures and options on futures (including those relating to securities, foreign currencies, indices and interest rates), forward contracts and swaps (including interest rate and credit default swaps). To the extent such derivative instruments have similar economic characteristics to fixed-income securities as described in the fund's policy with respect to the investment of at least 80% of its net assets, the market value of such instruments will be included in the 80% policy. Derivatives may be entered into on established exchanges or through privately negotiated transactions referred to as over-the-counter derivatives. A derivatives contract will obligate or entitle the fund to deliver or receive an asset or

6

cash payment based on the change in value of the underlying asset. When the fund enters into derivatives transactions, it may be required to segregate liquid assets or enter into offsetting positions or otherwise cover its obligations, in accordance with applicable regulations, while the positions are open. To enhance current income, the fund also may engage in a series of purchase and sale contracts or forward roll transactions in which the fund sells a mortgage-related security, for example, to a financial institution and simultaneously agrees to purchase a similar security from the institution at a later date at an agreed-upon price. The fund may lend its portfolio securities to brokers, dealers and other financial institutions needing to borrow securities to complete certain transactions. Loans of portfolio securities may not exceed 33-1/3% of the value of the fund's total assets.

The fund is non-diversified.

An investment in the fund is not a bank deposit. It is not insured or guaranteed by the FDIC or any other government agency. It is not a complete investment program. The value of your investment in the fund will fluctuate, sometimes dramatically, which means you could lose money.

7

from fund performance. In such an interest rate environment, the fund may be subject to greater risk of principal decline from rising interest rates. 

● Credit risk. Failure of an issuer of a security to make timely interest or principal payments when due, or a decline or perception of a decline in the credit quality of the security, can cause the security's price to fall, lowering the value of the fund's investment in such security. The lower a security's credit rating, the greater the chance that the issuer of the security will default or fail to meet its payment obligations.

● High yield securities risk. High yield ("junk") securities involve greater credit risk, including the risk of default, than investment grade securities, and are considered predominantly speculative with respect to the issuer's ability to make principal and interest payments. The prices of high yield securities can fall in response to bad news about the issuer or its industry, or the economy in general, to a greater extent than those of higher rated securities. Securities rated investment grade when purchased by the fund may subsequently be downgraded.

● Liquidity risk. When there is little or no active trading market for specific types of securities, it can become more difficult to sell the securities in a timely manner at or near their perceived value. In such a market, the value of such securities and the fund's share price may fall dramatically. Other market developments can adversely affect fixed-income securities markets. Regulations and business practices, for example, have led some financial intermediaries to curtail their capacity to engage in trading (i.e., "market making") activities for certain fixed-income securities, which could have the potential to decrease liquidity and increase volatility in the fixed-income securities markets. The secondary market for certain municipal bonds tends to be less well developed or liquid than many other securities markets, which may adversely affect the fund's ability to sell such municipal bonds at attractive prices. Investments that are illiquid or that trade in lower volumes may be more difficult to value. The market for below investment grade securities may be less liquid and therefore these securities may be harder to value or sell at an acceptable price, especially during times of market volatility or decline. Investments in foreign securities, particularly those of issuers located in emerging markets, tend to have greater exposure to liquidity risk than domestic securities. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). Liquidity risk also may refer to the risk that the fund will not be able to pay redemption proceeds within the allowable time period stated in this prospectus because of unusual market conditions, an unusually high volume of redemption requests, or other reasons. To meet redemption requests, the fund may be forced to sell securities at an unfavorable time and/or under unfavorable conditions, which may adversely affect the fund's share price.

● Foreign investment risk. To the extent the fund invests in foreign securities, the fund's performance will be influenced by political, social and economic factors affecting investments in foreign issuers. Special risks associated with investments in foreign issuers include exposure to currency fluctuations, less liquidity, less developed or less efficient trading markets, lack of comprehensive company information, political and economic instability and differing auditing and legal standards. Investments denominated in foreign currencies are subject to the risk that such currencies will decline in value relative to the U.S. dollar and affect the value of these investments held by the fund.

● Emerging market risk. The securities of issuers located or doing substantial business in emerging market countries tend to be more volatile and less liquid than the securities of issuers located in countries with more mature economies, potentially making prompt liquidation at an attractive price difficult. The economies of countries with emerging markets may be based predominantly on only a few industries, may be highly vulnerable to changes in local or global trade conditions, and may suffer from extreme debt burdens or volatile inflation rates. Transaction settlement and dividend collection procedures also may be less reliable in emerging markets than in developed markets. Emerging markets generally have less diverse and less mature economic structures and less stable political systems than those of developed countries. Investments in these countries may be subject to political, economic, legal, market and currency risks. The risks may include less protection of property rights and uncertain political and economic policies, the imposition of capital controls and/or foreign investment limitations by a country, nationalization of businesses and the imposition of sanctions by other countries, such as the United States.

● Non-diversification risk. The fund is non-diversified, which means that the fund may invest a relatively high percentage of its assets in a limited number of issuers. Therefore, the fund's performance may be more vulnerable to changes in the market value of a single issuer or group of issuers and more susceptible to risks associated with a single economic, political or regulatory occurrence than a diversified fund.

● Inflation-indexed security risk. Interest payments on inflation-indexed securities can be unpredictable and will vary as the principal and/or interest is periodically adjusted based on the rate of inflation. If the index measuring inflation falls, the interest payable on these securities will be reduced. The U.S. Treasury has guaranteed that in the event of a drop in prices, it would repay the par amount of its inflation-indexed securities. Inflation-indexed securities issued by corporations generally do not guarantee repayment of principal. Any increase in the principal amount of an inflation-indexed security will be considered taxable ordinary income, even though investors do not receive their principal until

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maturity. As a result, the fund may be required to make annual distributions to shareholders that exceed the cash the fund received, which may cause the fund to liquidate certain investments when it is not advantageous to do so. Also, if the principal value of an inflation-indexed security is adjusted downward due to deflation, amounts previously distributed may be characterized in some circumstances as a return of capital.

● Government securities risk. Not all obligations of the U.S. government, its agencies and instrumentalities are backed by the full faith and credit of the U.S. Treasury. Some obligations are backed only by the credit of the issuing agency or instrumentality, and in some cases there may be some risk of default by the issuer. Any guarantee by the U.S. government or its agencies or instrumentalities of a security held by the fund does not apply to the market value of such security or to shares of the fund itself. A security backed by the U.S. Treasury or the full faith and credit of the United States is guaranteed only as to the timely payment of interest and principal when held to maturity. In addition, because many types of U.S. government securities trade actively outside the United States, their prices may rise and fall as changes in global economic conditions affect the demand for these securities.

● Municipal securities risk. The amount of public information available about municipal securities is generally less than that for corporate equities or bonds. Special factors, such as legislative changes, and state and local economic and business developments, may adversely affect the yield and/or value of the fund's investments in municipal securities. Other factors include the general conditions of the municipal securities market, the size of the particular offering, the maturity of the obligation and the rating of the issue. The municipal securities market can be susceptible to increases in volatility and decreases in liquidity. Liquidity can decline unpredictably in response to overall economic conditions or credit tightening. Increases in volatility and decreases in liquidity may be caused by a rise in interest rates (or the expectation of a rise in interest rates). An unexpected increase in fund redemption requests, including requests from shareholders who may own a significant percentage of the fund's shares, which may be triggered by market turmoil or an increase in interest rates, could cause the fund to sell its holdings at a loss or at undesirable prices and adversely affect the fund's share price and increase the fund's liquidity risk and fund expenses. Changes in economic, business or political conditions relating to a particular municipal project, municipality, or state, territory or possession of the United States in which the fund invests may have an impact on the fund's share price. In addition, the cost associated with combating the outbreak of COVID-19 and its negative impact on tax revenues has adversely affected the financial condition of many state and local governments. The effects of this outbreak could affect the ability of state and local governments to make payments on debt obligations when due and could adversely impact the value of their bonds, which could negatively impact the performance of the fund.

● Portfolio turnover risk. The fund may engage in short-term trading, which could produce higher transaction costs and taxable distributions, and lower the fund's after-tax performance. The fund's forward roll transactions will increase its portfolio turnover rate.

● Issuer risk. A security's market value may decline for a number of reasons which directly relate to the issuer, such as management performance, financial leverage and reduced demand for the issuer's products or services, or factors that affect the issuer's industry, such as labor shortages or increased production costs and competitive conditions within an industry.

In addition to the principal risks described above, the fund is subject to the following additional risks that are not anticipated to be principal risks of investing in the fund:

● Prepayment risk. Some securities give the issuer the option to prepay or call the securities before their maturity date, which may reduce the market value of the security and the anticipated yield-to-maturity. Issuers often exercise this right when interest rates fall. In addition, floating rate loans may not have call protection and may be prepaid partially or in full at any time without penalty. If an issuer "calls" its securities during a time of declining interest rates, the fund might have to reinvest the proceeds in an investment offering a lower yield, and therefore might not benefit from any increase in value as a result of declining interest rates. During periods of market illiquidity or rising interest rates, prices of "callable" issues are subject to increased price fluctuation.