48 C.F.R. §§ 552.203-71
As prescribed in 503.570-2, insert the following clause:
Restriction on Advertising (SEP 1999)
The Contractor shall not refer to this contract in commercial advertising or similar promotions in such a manner as to state or imply that the product or service provided is endorsed or preferred by the White House, the Executive Office of the President, or any other element of the Federal Government, or is considered by these entities to be superior to other products or services. Any advertisement by the Contractor, including price-off coupons, that refers to a military resale activity shall contain the following statement: "This advertisement is neither paid for nor sponsored, in whole or in part, by any element of the United States Government."
(End of clause)
48 C.F.R. §§552.203-71