Pub. L. 100-436, tit. V, sec. 502

Sec. 502. No part of any appropriation contained in this Act shall be expended by an executive agency, as referred to in the Office of Federal Procurement Policy Act (41 U.S.C. 401 et seq.), pursuant to any obligation for services by contract, unless such executive agency has awarded and entered into such contract in full compliance with such Act and regulations promulgated thereunder.