MONEY MARKET TRUST /PA, 497J, 1999-09-29

MONEY MARKET TRUST /PA
497J, 1999-09-29

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                               MONEY MARKET TRUST

                            Federated Investors Funds

                              5800 Corporate Drive

                       Pittsburgh, Pennsylvania 15237-7000

                               September 29, 1999

EDGAR Operations Branch
Securities and Exchange Commission
Division of Investment Management
450 Fifth Street, Northwest

Washington, DC  20549

      RE:  MONEY MARKET TRUST (the "TRUST")

           1933 Act File No. 2-62285

           1940 ACT FILE NO. 811-2550

Dear Sir or Madam:

        Pursuant to Rule 497(j) under the Securities Act of 1933, the
above-named Trust hereby certifies that the definitive form of prospectus and
statement of additional information dated September 30, 1999, that would have
been filed under Rule 497(c), does not differ from the form of prospectus and
statement of additional information contained in the most recent registration
statement for the Trust. This registration statement was electronically filed
under Rule 485(b) as Post-effective amendment No. 46 on September 29, 1999.

        If you have any questions regarding this certification, please call me
at (412) 288-7404.

                                                   Very truly yours,

                                                   /s/ Leslie K. Ross
                                                   Leslie K. Ross
                                                   Assistant Secretary