May 2, 2008

VIA EDGAR

U.S. Securities and Exchange Commission
100 F Street, N.E.
Washington, D.C. 20549

ATTN: Document Control - EDGAR

RE: RiverSource Account F
    File Nos. 33-52518/811-3217
    RiverSource Employee Benefit Annuity

Dear Commissioners:

Registrant certifies that the form of prospectus and Statement of Additional
Information that would have been filed under paragraph (c) of Rule 497 would not
have differed from that contained in the most recent Registration Statement or
Amendment, and the text of the most recent Registration Statement or Amendment
has been filed electronically.

If you have any questions or concerns regarding this filing, please contact me
at (612) 678-0175 or Boba Selimovic at (612) 671-7449.

Very truly yours,


/s/ Elisabeth A. Dahl
-------------------------------------
Elisabeth A. Dahl
Assistant General Counsel