31 U.S.C. 333(a) prohibits the use of Treasury names, abbreviations, or symbols, in connection with, or as a part of, any advertisement, solicitation, business activity, or product, in a manner that may imply endorsement by Treasury. Bureaus shall insert a clause substantially the same as 1052.210-70 Contractor Publicity in all solicitations and contracts.
48 C.F.R. §§1009.204-70