Regulations last checked for updates: Mar 14, 2025

Title 42 - Public Health last revised: Feb 19, 2025
authority: Sec. 803, Pub. L. 96-398, 94 Stat. 1607-1608 (42 U.S.C. 242a)
source: 46 FR 39979, Aug. 5, 1981, unless otherwise noted.