A prior section 3171, Pub. L. 89–136, title IV, § 403, Aug. 26, 1965, 79 Stat. 562; Pub. L. 91–304, § 1(d), July 6, 1970, 84 Stat. 375; Pub. L. 92–65, title I, § 108, Aug. 5, 1971, 85 Stat. 167; Pub. L. 93–46, § 4, June 18, 1973, 87 Stat. 96; Pub. L. 93–423, § 7, Sept. 27, 1974, 88 Stat. 1161; Pub. L. 94–487, title I, § 115, Oct. 12, 1976, 90 Stat. 2335; Pub. L. 96–506, § 1(7), Dec. 8, 1980, 94 Stat. 2745; Pub. L. 97–35, title XVIII, § 1821(a)(6), Aug. 13, 1981, 95 Stat. 766, authorized Secretary to designate economic development districts and centers, prior to repeal by Pub. L. 105–393, § 102(a).

A prior section 401 of Pub. L. 89–136 was classified to section 3161 of this title prior to repeal by Pub. L. 105–393, § 102(a).