41 U.S.C. § 3106: Erection, repair, or furnishing of public buildings and improvements not authorized, and certain contracts not permitted, by this division

This division does not—(1) authorize the erection, repair, or furnishing of a public building or public improvement; or (2) permit a contract for the construction or repair of a building, road, sidewalk, sewer, main, or similar item using procedures other than sealed-bid procedures under section 3301(b)(1)(A) of this title if the conditions set forth in section 3301(b)(1)(A) of this title apply or the contract is to be performed outside the United States.