Section, Pub. L. 89–665, title II, § 212, as added Pub. L. 94–422, title II, § 201(9), Sept. 28, 1976, 90 Stat. 1323; amended Pub. L. 95–625, title VI, § 614, Nov. 10, 1978, 92 Stat. 3521; Pub. L. 96–205, title VI, § 608(a)(3), Mar. 12, 1980, 94 Stat. 92; Pub. L. 96–244, § 2, May 19, 1980, 94 Stat. 346; Pub. L. 96–515, title III, § 302(b), Dec. 12, 1980, 94 Stat. 3000; Pub. L. 98–483, Oct. 17, 1984, 98 Stat. 2258; Pub. L. 101–70, Aug. 3, 1989, 103 Stat. 180; Pub. L. 102–575, title XL, § 4017, Oct. 30, 1992, 106 Stat. 4763; Pub. L. 103–437, § 6(d)(29), Nov. 2, 1994, 108 Stat. 4584; Pub. L. 104–333, div. I, title V, § 509(a), Nov. 12, 1996, 110 Stat. 4157; Pub. L. 106–208, § 3, May 26, 2000, 114 Stat. 318; Pub. L. 109–453, § 1(f), Dec. 22, 2006, 120 Stat. 3368, related to submission of budget and authorization of appropriations. First sentence of subsec. (a) and subsec. (b) were repealed and restated in section 304109 of Title 54, National Park Service and Related Programs. Last sentence of subsec. (a) authorized appropriations to carry out this part.