CASH TRUST SERIES, INC.
Federated Investors Funds
5800 Corporate Drive
Pittsburgh, Pennsylvania 15237-7000
September 30, 1998
EDGAR Operations Branch
Securities and Exchange Commission
Division of Investment Management
450 Fifth Street, Northwest
Washington, DC 20549
RE: CASH TRUST SERIES, INC. (the "Company")
Government Cash Series
Municipal Cash Series
Prime Cash Series
Treasury Cash Series
(collectively, the "Portfolios")
1933 Act File No. 33-29838
1940 Act File No. 811-5843
Dear Sir or Madam:
Pursuant to Rule 497(j) under the Securities Act of 1933, the above-named
Company hereby certifies that the definitive forms of stand-alone prospectuses
and statements of additional information of the above-referenced Portfolios
dated September 30, 1998, that would have been filed under Rule 497(c), do not
differ from the forms of prospectuses and statements of additional information
contained in the most recent registration statement for the Company. This
registration statement was electronically filed under Rule 485(b) as
Post-effective Amendment No. 18 on September 28, 1998.
If you have any questions regarding this certification, please call Amy
Gotz at (412) 288-1940.
Very truly yours,
/s/ Nicholas J. Seitanakis
Nicholas J. Seitanakis
Assistant Secretary