42 U.S.C. § 6251
Section, Pub. L. 94–163, title I, § 191, formerly § 171, as added Pub. L. 99–58, title I, § 101(a), , 99 Stat. 102; amended Pub. L. 101–46, § 1(1), , 103 Stat. 132; Pub. L. 101–262, § 2(b), , 104 Stat. 124; Pub. L. 101–360, § 2(b), , 104 Stat. 421; renumbered § 181 and amended Pub. L. 101–383, §§ 2(2), 6(a)(3), , 104 Stat. 727, 729; Pub. L. 103–406, title I, § 102, , 108 Stat. 4209; Pub. L. 104–306, § 1(2), , 110 Stat. 3810; Pub. L. 105–177, § 1(2), , 112 Stat. 105; Pub. L. 106–64, § 1(2), , 113 Stat. 511; renumbered § 191 and amended Pub. L. 106–469, title I, § 103(23), title II, § 201(a)(2), , 114 Stat. 2033, 2034; Pub. L. 108–7, div. F, title III, § 339(a)(3), , 117 Stat. 278, provided for the expiration of all authority under this subchapter at midnight .