Section, Pub. L. 93–380, title VIII, § 842, Aug. 21, 1974, 88 Stat. 610; Pub. L. 94–482, title III, § 326, Oct. 12, 1976, 90 Stat. 2220; Pub. L. 96–88, title III, § 301(a)(1), title V, § 507, Oct. 17, 1979, 93 Stat. 677, 692, related to development and submission of State equalization plans by not later than Oct. 1, 1978.