Section, Pub. L. 91–616, title V, § 502, as added Pub. L. 94–371, § 7, July 26, 1976, 90 Stat. 1039, provided for scientific peer review of grants and contracts. See section 290aa–5 of this title.

A prior section 502 of Pub. L. 91–616, title V, Dec. 31, 1970, 84 Stat. 1854, was renumbered 602 by section 7 of Pub. L. 94–371, and is classified to section 4592 of this title.