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AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON MARCH 24, 1994
REGISTRATION NO. 2-63442
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SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
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POST-EFFECTIVE AMENDMENT NO. 10
TO
FORM S-6
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FOR REGISTRATION UNDER THE SECURITIES ACT
OF 1933 OF SECURITIES OF UNIT INVESTMENT
TRUSTS REGISTERED ON FORM N-8B-2
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A. EXACT NAME OF TRUST:
DEFINED ASSET FUNDS--
GOVERNMENT SECURITIES INCOME FUND
TENTH GNMA SERIES
(A UNIT INVESTMENT TRUST)
B. NAMES OF DEPOSITORS:
MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
PRUDENTIAL SECURITIES INCORPORATED
DEAN WITTER REYNOLDS INC.
C. COMPLETE ADDRESSES OF DEPOSITORS' PRINCIPAL EXECUTIVE OFFICES:
MERRILL LYNCH, PIERCE,
FENNER & SMITH
INCORPORATED
UNIT INVESTMENT TRUSTS
POST OFFICE BOX 9051
PRINCETON, N.J.
08543-9051
PRUDENTIAL SECURITIES
INCORPORATED
ONE SEAPORT PLAZA
199 WATER STREET
NEW YORK, N.Y. 10292 DEAN WITTER REYNOLDS INC.
TWO WORLD TRADE
CENTER--59TH FLOOR
NEW YORK, N.Y. 10048
D. NAMES AND COMPLETE ADDRESSES OF AGENTS FOR SERVICE:
PAUL FEHRENBACH
ONE FINANCIAL CENTER
BOSTON, MASSACHUSETTS
02111 ARTHUR J. STAVARIDIS
ONE POST OFFICE SQUARE
BOSTON, MASSACHUSETTS
02109
ED FINOCCHIARO
ONE FINANCIAL CENTER
BOSTON, MASSACHUSETTS
02111
COPIES TO:
PIERRE DE SAINT PHALLE,
ESQ.
450 LEXINGTON AVENUE
NEW YORK, N.Y. 10017
The issuer hereby revokes its registration of an indefinite number of Units
under the Securities Act of 1933 pursuant to Rule 24f-2.
Check box if it is proposed that this filing will become effective immediately
upon filing pursuant to paragraph (b) of Rule 485. R
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DEFINED ASSET FUNDS--
GOVERNMENT SECURITIES INCOME FUND
CONTENTS OF REGISTRATION STATEMENT
This Post-Effective Amendment to the Registration Statement on Form S-6
comprises the following papers and documents:
The facing sheet of Form S-6.
The cross-reference sheet (incorporated by reference to Post-Effective
Amendment No. 2 to the Registration Statement on Form S-6 of The Government
Securities Income Fund, GNMA Series E, 1933 Act File No. 2-74993).
The Signatures.
R-1
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DEFINED ASSET FUNDS--
GOVERNMENT SECURITIES INCOME FUND
TENTH GNMA SERIES
SIGNATURES
PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, THE REGISTRANT,
DEFINED ASSET FUNDS--GOVERNMENT SECURITIES INCOME FUND, TENTH GNMA SERIES (A
UNIT INVESTMENT TRUST), CERTIFIES THAT IT MEETS ALL OF THE REQUIREMENTS FOR
EFFECTIVENESS OF THIS REGISTRATION STATEMENT PURSUANT TO RULE 485(B) UNDER THE
SECURITIES ACT OF 1933 AND HAS DULY CAUSED THIS REGISTRATION STATEMENT OR
AMENDMENT TO THE REGISTRATION STATEMENT TO BE SIGNED ON ITS BEHALF BY THE
UNDERSIGNED THEREUNTO DULY AUTHORIZED IN THE CITY OF NEW YORK AND STATE OF NEW
YORK ON THE 24TH DAY OF MARCH, 1994.
SIGNATURES APPEAR ON PAGES R-3, R-4 AND R-5.
A majority of the members of the Board of Directors of Merrill Lynch,
Pierce, Fenner & Smith Incorporated has signed this Registration Statement or
Amendment to the Registration Statement pursuant to Powers of Attorney
authorizing the person signing this Registration Statement or Amendment to the
Registration Statement to do so on behalf of such members.
A majority of the members of the Board of Directors of Prudential
Securities Incorporated has signed this Registration Statement or Amendment to
the Registration Statement pursuant to Powers of Attorney authorizing the person
signing this Registration Statement or Amendment to the Registration Statement
to do so on behalf of such members.
A majority of the members of the Board of Directors of Dean Witter Reynolds
Inc. has signed this Registration Statement or Amendment to the Registration
Statement pursuant to Powers of Attorney authorizing the person signing this
Registration Statement or Amendment to the Registration Statement to do so on
behalf of such members.
R-2
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MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED
DEPOSITOR
By the following persons, who constitute a majority of Powers of Attorney
the Board of Directors of Merrill Lynch, Pierce, have been filed
Fenner & Smith Incorporated: under
Form SE and the
following 1933 Act
File
Number: 33-43466
HERBERT M. ALLISON, JR.
BARRY S. FREIDBERG
EDWARD L. GOLDBERG
STEPHEN L. HAMMERMAN
JEROME P. KENNEY
DAVID H. KAMANSKY
DANIEL T. NAPOLI
THOMAS H. PATRICK
JOHN L. STEFFENS
DANIEL P. TULLY
ROGER M. VASEY
ARTHUR H. ZEIKEL
By ERNEST V. FABIO
(As authorized signatory for Merrill Lynch, Pierce,
Fenner & Smith Incorporated and
Attorney-in-fact for the persons listed above)
R-3
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PRUDENTIAL SECURITIES INCORPORATED
DEPOSITOR
By the following persons, who constitute a majority of Powers of Attorney
the Board of Directors of have been filed
Prudential Securities Incorporated: under Form SE and
the following 1933
Act File Number:
33-41631
JAMES T. GAHAN
ALAN D. HOGAN
HOWARD A. KNIGHT
GEORGE A. MURRAY
LELAND B. PATON
HARDWICK SIMMONS
By RICHARD R. HOFFMANN
(As authorized signatory for Prudential Securities
Incorporated and Attorney-in-fact for the persons listed above)
R-4
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DEAN WITTER REYNOLDS INC.
DEPOSITOR
By the following persons, who constitute a majority of Powers of Attorney
the Board of Directors of Dean Witter Reynolds Inc.: have been filed
under Form SE and
the following 1933
Act File Number:
33-17085
NANCY DONOVAN
CHARLES A. FIUMEFREDDO
JAMES F. HIGGINS
STEPHEN R. MILLER
PHILIP J. PURCELL
THOMAS C. SCHNEIDER
WILLIAM B. SMITH
By MICHAEL D. BROWNE
(As authorized signatory for Dean Witter Reynolds Inc.
and Attorney-in-fact for the persons listed above)
R-5
