Section, act July 1, 1944, ch. 373, title III, § 305, as added July 3, 1956, ch. 510, § 3,
70 Stat. 490; amended Oct. 30, 1970,
Pub. L. 91–515, title II, § 210,
84 Stat. 1303; June 18, 1973,
Pub. L. 93–45, title I, § 103,
87 Stat. 91; July 23, 1974,
Pub. L. 93–353, title I, § 104,
88 Stat. 363; Oct. 8, 1976,
Pub. L. 94–460, title III, § 301,
90 Stat. 1960; Nov. 9, 1978,
Pub. L. 95–623, § 4,
92 Stat. 3445; Aug. 13, 1981,
Pub. L. 97–35, title IX, § 919(a)(1), (2)(A), (3), (b)(1), (c), (d),
95 Stat. 565, 566; Oct. 30, 1984,
Pub. L. 98–551, §§ 5(a), (b),
6,
98 Stat. 2817, 2819, 2820; Oct. 7, 1985,
Pub. L. 99–117, § 6,
99 Stat. 492; Nov. 14, 1986,
Pub. L. 99–660, title III, § 311(b)(2),
100 Stat. 3779; Dec. 1, 1987,
Pub. L. 100–177, title I, §§ 101,
102,
101 Stat. 987; Nov. 4, 1988,
Pub. L. 100–607, title II, § 204(1),
102 Stat. 3079; Nov. 18, 1988,
Pub. L. 100–690, title II, § 2620(b)(3),
102 Stat. 4244; Aug. 16, 1989,
Pub. L. 101–93, § 5(e)(3),
103 Stat. 612, related to National Center for Health Services Research and Health Care Technology Assessment.