MONEY MARKET OBLIGATIONS TRUST

Federated Investors Funds

4000 Ericsson Drive
Warrendale, Pennsylvania 15086-7561

November 7, 2017

EDGAR Operations Branch

U.S. Securities and Exchange Commission

Division of Investment Management

100 F Street, N.E.

Washington, DC 20549

RE:       MONEY MARKET OBLIGATIONS TRUST (the “Trust”)

Federated Massachusetts Municipal Cash Trust (the “Fund”)

Wealth Shares

1933 Act File No. 33-31602

1940 Act File No. 811-5950  

Dear Sir or Madam:

Pursuant to Rule 497(j) of the Securities Act of 1933, the above-referenced Trust hereby certifies that the definitive forms of Prospectus and Statement of Additional Information dated November 6, 2017, that would have been filed under Rule 497(c), do not differ from the forms of Prospectus and Statement of Additional Information contained in the most recent Registration Statement for the Fund. This Registration Statement was electronically filed under Rule 485(b) as Post-Effective amendment No. 212 on November 6, 2017

If you have any questions regarding this certification, please contact me at (412) 288-1165.

Very truly yours,

/s/ George F. Magera

George F. Magera Assistant Secretary