Codification
Section, Pub. L. 91–616, title V, §501, as added Pub. L. 94–371, §7, July 26, 1976, 90 Stat. 1038; amended Pub. L. 95–622, title II, §268(c), (d), Nov. 9, 1978, 92 Stat. 3437; Pub. L. 96–180, §14, Jan. 2, 1980, 93 Stat. 1305, which directed Secretary to take certain steps to encourage research, was redesignated section 510 of the Public Health Service Act by Pub. L. 98–24, §2(b)(9), Apr. 26, 1983, 97 Stat. 179, and is classified to section 290bb of this title.
A prior section 501 of Pub. L. 91–616, title V, Dec. 31, 1970, 84 Stat. 1854, was renumbered 601 by section 7 of Pub. L. 94–371, and is classified to section 4591 of this title.