For delayed effective date of first sentence of subection (a) of this section, see Effective Date note below.

Section 9604(i) of this title, referred to in subsec. (a), was in the original “section 104(i) of the Comprehensive Environmental Response, Compensation, and Liability Act”, and was translated as reading “section 104(i) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980”, meaning section 104(i) of Pub. L. 96–510, to reflect the probable intent of Congress.

A prior section 242c, 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, prior to repeal by Pub. L. 101–239, title VI, § 6103(d)(1)(A), Dec. 19, 1989, 103 Stat. 2205.

Pub. L. 117–328, div. FF, title II, § 2101(b), Dec. 29, 2022, 136 Stat. 5709, provided that: “The first sentence of section 305(a) of the Public Health Service Act [42 U.S.C. 242c(a)], as added by subsection (a), shall take effect on January 20, 2025.”