Section, [Pub. L. 89–10, title X, § 1005], formerly title VIII, § 810, as added [Pub. L. 92–318, title IV, § 421(a)], June 23, 1972, [86 Stat. 339]; amended [Pub. L. 93–380, title VI], §§ 631(a), 632(a), Aug. 21, 1974, [88 Stat. 585], 586; renumbered title IX, § 1005, and amended [Pub. L. 95–561, title VIII, § 801(1)], (2), title XI, §§ 1141(a), 1150(a)–(e), Nov. 1, 1978, [92 Stat. 2284], 2328, 2331–2333; renumbered title X, § 1005, and amended [Pub. L. 96–46], §§ 1(21), 2(a)(1), Aug. 6, 1979, [93 Stat. 339], 340; [Pub. L. 96–88, title III, § 301(a)(1)], title V, § 507, Oct. 17, 1979, [93 Stat. 677], 692; [Pub. L. 98–511, title V, § 513(c)], Oct. 19, 1984, [98 Stat. 2400], related to improvement of educational opportunities for Indian students.