16 U.S.C. § 460l-6a
Section, Pub. L. 88-578, title I, §4, as added Pub. L. 92-347, §2, July 11, 1972, 86 Stat. 459; amended Pub. L. 93-81, §§1, 2, Aug. 1, 1973, 87 Stat. 178, 179; Pub. L. 93-303, §1, June 7, 1974, 88 Stat. 192; Pub. L. 96-344, §9, Sept. 8, 1980, 94 Stat. 1135; Pub. L. 100-203, title V, §5201(a)-(c), Dec. 22, 1987, 101 Stat. 1330-263, 1330-264; Pub. L. 103-66, title V, §5001(b), title X, §§10001, 10002, Aug. 10, 1993, 107 Stat. 379, 402, 403; Pub. L. 103-437, §6(p)(1), Nov. 2, 1994, 108 Stat. 4586; Pub. L. 104-66, title I, §1081(f), Dec. 21, 1995, 109 Stat. 721; Pub. L. 105-327, §1, Oct. 30, 1998, 112 Stat. 3055; Pub. L. 108-447, div. J, title VIII, §813(a), Dec. 8, 2004, 118 Stat. 3390; Pub. L. 109-54, title I, §132(a), (b), Aug. 2, 2005, 119 Stat. 526, related to admission and special recreation use fees. Subsecs. (a) to (h) and (i)(1)(A), (B), (2) to (4), which related to various fees and permits and reporting requirements, had been previously repealed. Subsecs. (i)(1)(C) and (j) to (n) were repealed and restated in section 100904 of Title 54, National Park Service and Related Programs.