16 U.S.C. § 460l-3
Section, Pub. L. 88-29, §4, May 28, 1963, 77 Stat. 50; Pub. L. 96-205, title VI, §608(c), Mar. 12, 1980, 94 Stat. 92, defined "United States" and "States". See section 200102 of Title 54, National Park Service and Related Programs.