Section, Pub. L. 93–638, title I, § 103, Jan. 4, 1975, 88 Stat. 2206; Pub. L. 96–88, title V, § 509(b), Oct. 17, 1979, 93 Stat. 695; Pub. L. 100–202, § 101(g) [title II], Dec. 22, 1987, 101 Stat. 1329–213, 1329–246; Pub. L. 100–446, title II, Sept. 27, 1988, 102 Stat. 1817, which related to contracts by Secretary of Health and Human Services with tribal organizations, was repealed except for the last sentence of subsec. (c), providing that tribal organizations and Indian contractors be deemed part of Public Health Service, which was redesignated subsec. (d) of former section 450f of this title.