Section, act June 4, 1946, ch. 281, § 15, as added June 30, 1971, Pub. L. 92–32, § 1, 85 Stat. 85, authorized use, during fiscal 1971, of not to exceed $35,000,000 from section 612c of Title 7, and not to exceed $100,000,000 during fiscal 1972 to carry out provisions of this chapter, with unexpended funds to remain available in accordance with last sentence of section 1752 of this title.