Section, added Pub. L. 98–94, title XII, § 1203(a)(1), Sept. 24, 1983, 97 Stat. 682, § 139c; renumbered § 2434 and amended Pub. L. 99–433, title I, §§ 101(a)(5), 110(d)(15), (g)(9), Oct. 1, 1986, 100 Stat. 995, 1003, 1004; Pub. L. 99–661, div. A, title XII, § 1208(a)–(c)(1), Nov. 14, 1986, 100 Stat. 3975; Pub. L. 100–26, § 7(b)(5), Apr. 21, 1987, 101 Stat. 279; Pub. L. 100–180, div. A, title XIII, § 1314(a)(1), Dec. 4, 1987, 101 Stat. 1175; Pub. L. 100–456, div. A, title V, § 525, Sept. 29, 1988, 102 Stat. 1975; Pub. L. 102–190, div. A, title VIII, § 801(a), (b)(1), Dec. 5, 1991, 105 Stat. 1412; Pub. L. 103–355, title III, § 3004, Oct. 13, 1994, 108 Stat. 3330; Pub. L. 104–106, div. A, title VIII, § 814, Feb. 10, 1996, 110 Stat. 395; Pub. L. 107–107, div. A, title VIII, § 821(a), Dec. 28, 2001, 115 Stat. 1181; Pub. L. 111–23, title I, § 101(d)(5), May 22, 2009, 123 Stat. 1710; Pub. L. 111–383, div. A, title VIII, § 814(e), Jan. 7, 2011, 124 Stat. 4267; Pub. L. 114–92, div. A, title VIII, § 831(a)–(c)(1), Nov. 25, 2015, 129 Stat. 912, related to independent cost estimates.