Prior Provisions
A prior section 250, added [Pub. L. 91–518, title IX, § 901(a)], Oct. 30, 1970, [84 Stat. 1341]; amended [Pub. L. 93–496, § 12], Oct. 28, 1974, [88 Stat. 1531]; [Pub. L. 94–455, title XIX, § 1906(b)(13)(A)], Oct. 4, 1976, [90 Stat. 1834]; [Pub. L. 95–473, § 2(a)(2)(C)], Oct. 17, 1978, [92 Stat. 1464]; [Pub. L. 96–454, § 3(b)(1)], Oct. 15, 1980, [94 Stat. 2012]; [Pub. L. 97–261, § 6(d)(3)], Sept. 20, 1982, [96 Stat. 1107]; [Pub. L. 99–521, § 4(3)], Oct. 22, 1986, [100 Stat. 2993], related to certain payments to National Railroad Passenger Corporation, prior to repeal by [Pub. L. 101–508, title XI, § 11801(a)(15)], Nov. 5, 1990, [104 Stat. 1388–520].
Effective Date
Section applicable to taxable years beginning after Dec. 31, 2017, see [section 14202(c) of Pub. L. 115–97], set out as an Effective Date of 2017 Amendment note under section 172 of this title.