United States Code Title 42 — The Public Health and Welfare § 300b. Repealed. Pub. L. 97–35, title XXI, § 2193(b)(1), Aug. 13, 1981, 95 Stat. 827 § 300b. Repealed. Pub. L. 97–35, title XXI, § 2193(b)(1), Aug. 13, 1981, 95 Stat. 827