§ 891.
Doubling of rates of tax on citizens and corporations of certain foreign countries
([Aug. 16, 1954, ch. 736], [68A Stat. 283]; [Mar. 13, 1956, ch. 83, § 5(6)], [70 Stat. 49]; [Pub. L. 86–69, § 3(f)(1)], June 25, 1959, [73 Stat. 140]; [Pub. L. 98–369, div. A, title II, § 211(b)(12)], July 18, 1984, [98 Stat. 755]; [Pub. L. 99–514, title X, § 1024(c)(13)], Oct. 22, 1986, [100 Stat. 2408].)