§ 6421.
Gasoline used for certain nonhighway purposes, used by local transit systems, or sold for certain exempt purposes
(Added [June 29, 1956, ch. 462], title II, § 208(c), [70 Stat. 394]; amended [July 25, 1956, ch. 725, § 2], [70 Stat. 644]; [Pub. L. 85–859, title I], §§ 163(d)(3), 164(a), Sept. 2, 1958, [72 Stat. 1312]; [Pub. L. 86–342, title II, § 201(d)(2)], Sept. 21, 1959, [73 Stat. 615]; [Pub. L. 87–61, title II, § 201(e)], June 29, 1961, [75 Stat. 124]; [Pub. L. 87–508, § 5(c)(2)], June 28, 1962,[76 Stat. 118]; [Pub. L. 89–44, title VIII, § 809(b)], June 21, 1965, [79 Stat. 166]; [Pub. L. 91–258, title II], §§ 205(b)(1), (c)(8), 207(b), May 21, 1970, [84 Stat. 241], 242, 248; [Pub. L. 91–605, title III, § 303(a)(11)], Dec. 31, 1970, [84 Stat. 1744]; [Pub. L. 94–280, title III, § 303(a)(11)], May 5, 1976, [90 Stat. 456]; [Pub. L. 94–455, title XIX, § 1906(a)(27)(A)(i)], (B)–(D), (b)(13)(A),