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].