To carry out the provisions of this subchapter, there are authorized to be appropriated—
(1) for the fiscal year ending June 30, 1976, $75,000,000;
(2) for subsequent fiscal years, only such sums as the Congress hereafter may authorize by law;
(3) such amounts as may be authorized for the construction of demonstrations pursuant to section 5556(f) of this title; and
(4) to the National Science Foundation for the fiscal year ending June 30, 1975, not to exceed $2,000,000 to be made available for use in the preparation of the comprehensive program definition under section 5564 of this title.
(Pub. L. 93–473, §17, Oct. 26, 1974, 88 Stat. 1438.)