November 30, 1998
Securities and Exchange Commission
450 Fifth Street, N.W.
Judiciary Plaza
Washington, D.C. 20549
Attention: Division of Investment Management
Re: Merrill Lynch Federal Securities Trust
Post-Effective Amendment No. 15 to the
Registration Statement on Form N-1A
(Securities Act File No. 2-92366
Investment Company Act File No. 811-4077)
Ladies and Gentlemen:
Pursuant to Rule 497 (j) under the Securities
Act of 1933, as amended (the "1933 Act"), Merrill
Lynch Federal Securities Trust (the "Trust")
hereby certifies that:
(1) the form of prospectus and statement of additional
information that would have been filed pursuant
to Rule 497 (c) under the 1933 Act would not have
differed from that contained in Post-Effective
Amendment No. 15 to the Trust's Registration
Statement on Form N-1A, constituting the most
recent amendment to the Trust's Registration
Statement on Form N-1A; and
(2) the text of Post-Effective Amendment No. 15 to
the Trust's Registration Statement on Form N-1A
was filed electronically with the Securities and
Exchange Commission on November 25, 1998.
Very truly yours,
Merrill Lynch Federal Securities Trust
By: Arthur Zeikel /s/
_______________________
Arthur Zeikel
President