In subsec. (a), “section 100502 of title 54” substituted for “section 12(b) of the Act of August 18, 1970 (16 U.S.C. 1a–7(b))” on authority of Pub. L. 113–287, § 6(e), Dec. 19, 2014, 128 Stat. 3272, which Act enacted Title 54, National Park Service and Related Programs.