This Supplement is filed pursuant to Rule 497(d) with regard to
Defined Asset Funds - Government Securities Income Fund, U.S. Treasury
Series 7 - Laddered Zero Coupons. The text of the supplement to the
Prospectus dated March 4, 1994 is as follows:
Supplement dated August 2, 1994
To Prospectuses Of
Defined Asset Funds
Government Securities Income Fund
_______________________________________________________________
U.S. Treasury Series 7 - Laddered Zero Coupons
---------------------------------------------------------------
Effective immediately, the applicable sales charge for regular
purchases of these Series will be as follows:
Sales Charge Dealer
(Gross Underwriting Profit) Concession
--------------------------- as Percent
As Percent of As Percent of of Public
Public Offering Net Amount Offering
Number of Units Price Invested Price
- --------------- --------------- ------------- ------------
Assurance Trust 1995
Less than 1,000. . . . . . . . 1.25% 1.266% 0.813%
1,000 or more. . . . . . . . . 1.00 1.010 0.650
Assurance Trust 2000
Less than 500. . . . . . . . . 2.00% 2.041% 1.300%
500 - 999. . . . . . . . . . . 1.50 1.523 0.975
1,000 or more. . . . . . . . . 1.00 1.010 0.650
Assurance Trust 2005
Less than 250. . . . . . . . . 3.00% 3.093% 1.950%
250 - 499. . . . . . . . . . . 2.50 2.564 1.625
500 - 749. . . . . . . . . . . 2.00 2.041 1.300
750 - 999. . . . . . . . . . . 1.50 1.523 0.975
1,000 or more. . . . . . . . . 1.00 1.010 0.650
