Section, added Pub. L. 97–252, title XI, § 1107(a)(1), Sept. 8, 1982, 96 Stat. 741, § 139b; amended Pub. L. 98–94, title XII, § 1268(1), Sept. 24, 1983, 97 Stat. 705; Pub. L. 98–525, title XII, § 1242(b), Oct. 19, 1984, 98 Stat. 2607; Pub. L. 99–145, title XIII, § 1303(a)(2), Nov. 8, 1985, 99 Stat. 738; renumbered § 2433 and amended Pub. L. 99–433, title I, §§ 101(a)(5), 110(d)(14), (g)(8), Oct. 1, 1986, 100 Stat. 995, 1003, 1004; Pub. L. 99–500, § 101(c) [title X, § 961(b)], Oct. 18, 1986, 100 Stat. 1783–82, 1783–176, and Pub. L. 99–591, § 101(c) [title X, § 961(b)], Oct. 30, 1986, 100 Stat. 3341–82, 3341–176; Pub. L. 99–661, div. A, title IX, formerly title IV, § 961(b), Nov. 14, 1986, 100 Stat. 3956, renumbered title IX, Pub. L. 100–26, § 3(5), Apr. 21, 1987, 101 Stat. 273; Pub. L. 100–26, § 7(b)(4), (k)(7), Apr. 21, 1987, 101 Stat. 279, 284; Pub. L. 100–180, div. A, title XIII, § 1314(a)(1), Dec. 4, 1987, 101 Stat. 1175; Pub. L. 101–189, div. A, title VIII, § 811(a), Nov. 29, 1989, 103 Stat. 1490; Pub. L. 101–510, div. A, title XIV, § 1484(k)(10), Nov. 5, 1990, 104 Stat. 1719; Pub. L. 102–484, div. A, title VIII, § 817(d), Oct. 23, 1992, 106 Stat. 2456; Pub. L. 103–35, title II, § 201(i)(2), May 31, 1993, 107 Stat. 100; Pub. L. 103–355, title III, §§ 3002(a)(2), 3003, Oct. 13, 1994, 108 Stat. 3328, 3329; Pub. L. 105–85, div. A, title VIII, § 833, Nov. 18, 1997, 111 Stat. 1842; Pub. L. 108–375, div. A, title VIII, § 801(a), (b)(1), Oct. 28, 2004, 118 Stat. 2004; Pub. L. 109–163, div. A, title VIII, § 802(a)–(c), (d)(2), Jan. 6, 2006, 119 Stat. 3367–3370; Pub. L. 109–364, div. A, title II, § 213(a), Oct. 17, 2006, 120 Stat. 2121; Pub. L. 110–181, div. A, title IX, § 942(e), Jan. 28, 2008, 122 Stat. 288; Pub. L. 110–417, [div. A], title VIII, § 811(c), Oct. 14, 2008, 122 Stat. 4522; Pub. L. 111–23, title II, § 206(a)(3), May 22, 2009, 123 Stat. 1728; Pub. L. 111–84, div. A, title X, § 1073(c)(4), Oct. 28, 2009, 123 Stat. 2474; Pub. L. 111–383, div. A, title X, § 1075(b)(34), Jan. 7, 2011, 124 Stat. 4371; Pub. L. 115–232, div. A, title VIII, § 809(a), Aug. 13, 2018, 132 Stat. 1840; Pub. L. 116–283, div. A, title XVIII, § 1850(b)(1), (c), (d), (e)(1), (f), (g)(1), (h)(1), (i)(1), Jan. 1, 2021, 134 Stat. 4265–4269, related to unit cost reports. See sections 4371 to 4375 of this title.

Repeal effective Jan. 1, 2022, with additional provisions for delayed implementation and applicability of existing law, see section 1801(d) of Pub. L. 116–283, set out as a note preceding section 3001 of this title.