Pub. L. 93-262, tit. V, sec. 504 (as amended)

Sec. 504. [25 U.S.C. 1544] Notwithstanding any other provision of law, a contractor of a Federal agency under any Act of Congress may be allowed an additional amount of compensation equal to 5 percent of the amount paid, or to be paid, to a subcontractor or supplier, in carrying out the contract if such subcontractor or supplier is an Indian organization or Indian-owned economic enterprise as defined in this Act.