VIA EDGAR
February 3, 1998
Securities and Exchange Commission
450 Fifth Street, N.W.
Washington, DC 20549
Re: Putnam Money Market Fund (the "Money Market Fund")
(Reg. No. 2-55091)(811-2608)
Putnam Tax Exempt Money Market Fund (the "Tax Exempt Money
Market Fund") (Reg. No. 33-15238)(811-5215)
Ladies and Gentlemen:
Pursuant to Rule 497(j) under the Securities Act of 1933, as
amended, the Money Market Fund and the Tax Exempt Money Market
Fund each hereby certifies that the form of prospectus and
Statement of Additional Information that would have been filed on
behalf of each Fund pursuant to Rule 497(c) upon the
effectiveness of Post-Effective Amendment Nos. 28 and 12,
respectively to the Fund's Registration Statement on Form N-1A
(the "Amendment") would not have differed from that contained in
the Amendment, which is the most recent amendment to such
Registration Statement and was filed electronically on January
28, 1998.
Comments or questions concerning this certificate may be
directed to Carol J. Gould at 1-800-225-2465, ext. 11107.
Very truly yours,
Putnam Tax Exempt Income Fund
/s/ Gordon H. Silver
By: ----------------------------------
Gordon H. Silver
Vice President
cc: Bryan Chegwidden, Esq.