Section, [act Aug. 16, 1954, ch. 736], [68A Stat. 374]; [Feb. 20, 1956, ch. 63, § 3], [70 Stat. 24]; [Pub. L. 85–866, title I], §§ 65(a), 102(c)(1), Sept. 2, 1958, [72 Stat. 1657], 1674; [Pub. L. 86–175, § 3], Aug. 21, 1959, [73 Stat. 397]; [Pub. L. 94–455, title XIX], §§ 1902(a)(12)(B), 1906(b)(13)(A), title XX, §§ 2001(c)(1)(A), 2004(f)(3), Oct. 4, 1976, [90 Stat. 1806], 1834, 1849, 1872; [Pub. L. 97–34, title IV, § 422(e)(2)], Aug. 13, 1981, [95 Stat. 316]; [Pub. L. 107–16, title V], §§ 531(a), 532(a), June 7, 2001, [115 Stat. 72], 73; [Pub. L. 107–134, title I, § 103(b)(1)], Jan. 23, 2002, [115 Stat. 2431], related to credit for State death taxes.