There are authorized to be appropriated such sums not exceeding $42,500 as are necessary for the acquisition of lands and interests in land pursuant to sections 430uu to 430uu–4 of this title.

(Pub. L. 88–24, § 5, May 17, 1963, 77 Stat. 19; Pub. L. 92–272, title I, § 101(2), Apr. 11, 1972, 86 Stat. 120.)