§ 7403.
([Aug. 16, 1954, ch. 736], [68A Stat. 874]; [Pub. L. 89–719, title I, § 107(b)], Nov. 2, 1966, [80 Stat. 1140]; [Pub. L. 94–455, title XIX, § 1906(b)(13)(A)], title XX, § 2004(f)(2), Oct. 4, 1976, [90 Stat. 1834], 1872; [Pub. L. 97–34, title IV, § 422(e)(8)], Aug. 13, 1981, [95 Stat. 316].)