There are hereby authorized to be appropriated for the Service such sums as may be necessary to carry out the provisions of this subchapter.
Pub. L. 95–501, title V, § 505Pub. L. 101–624, title XV, § 1531104 Stat. 3687 Pub. L. 102–237, title III, § 314105 Stat. 1856 (, formerly § 506, as added , , ; renumbered § 505, , , .)