A prior section 3172, Pub. L. 89–136, title IV, § 404, as added Pub. L. 93–423, § 8, Sept. 27, 1974, 88 Stat. 1162; amended Pub. L. 94–487, title I, § 116, Oct. 12, 1976, 90 Stat. 2335; Pub. L. 96–506, § 1(8), Dec. 8, 1980, 94 Stat. 2745; Pub. L. 97–35, title XVIII, § 1821(a)(7), Aug. 13, 1981, 95 Stat. 766, authorized additional appropriations for Indian economic development, prior to repeal by Pub. L. 105–393, § 102(a).

A prior section 402 of Pub. L. 89–136 was classified to section 3162 of this title prior to repeal by Pub. L. 105–393, § 102(a).

Section effective Feb. 11, 1999, see section 105 of Pub. L. 105–393, set out as a note under section 3121 of this title.