CFR›Title 45›Subtitle B›Chapter XI›Part 1172›45 CFR Part 1172 Subpart A Citation45 CFR Part 1172 Subpart AContainsSections § 1172.1–§ 1172.3CorpusDaily eCFRDisplayed edition2026-09-24Last updated2026-09-24 Subpart A—General Sections § 1172.1 § 1172.1 Purpose. § 1172.2 § 1172.2 Application. § 1172.3 § 1172.3 Definitions. Authority42 U.S.C. 6101-6107; 45 CFR 90.Source79 FR 26633, May 9, 2014, unless otherwise noted.