under section 503 of the National Security Act of 1947 ( 50 U.S.C. 3093 ) shall remain available until September 30, 2020. 8035. Of the funds appropriated to the Department of Defense under the heading Operation and Maintenance, Defense-Wide , not less than $12,000,000 may be made available only for the mitigation of environmental impacts, including training and technical assistance to tribes, related administrative support, the gathering of information, documenting of environmental damage, and developing a system for prioritization of mitigation and cost to complete estimates for mitigation, on Indian lands resulting from Department of Defense activities. 8036. (a) None of the funds appropriated in this Act may be expended by an entity of the Department of Defense unless the entity, in expending the funds, complies with the Buy American Act. For purposes of this subsection, the term Buy American Act means chapter 83 of title 41, United States Code. (b) If the Secretary of Defense determines that a person has been convicted of intentionally affixing a label bearing a Made in America inscription to any product sold in or shipped to the United States that is not made in America, the Secretary shall determine, in accordance with section 2410f of title 10, United States Code, whether the person should be debarred from contracting with the Department of Defense. (c) In the case of any equipment or products purchased with appropriations provided under this Act, it is the sense of the Congress that any entity of the Department of Defense, in expending the appropriation, purchase only American-made equipment and products, provided that American-made equipment and products are cost-competitive, quality competitive, and available in a timely fashion. 8037. (a) Except as provided in subsections (b) and (c), none of the funds made available by this Act may be used— (1) to establish a field operating agency