Section, Pub. L. 93–627, § 25, Jan. 3, 1975, 88 Stat. 2147; Pub. L. 95–36, June 1, 1977, 91 Stat. 177, authorized appropriations for fiscal years ending June 30, 1975, June 30, 1976, Sept. 30, 1977, Sept. 30, 1978, Sept. 30, 1979, and Sept. 30, 1980.