CFR›Title 40›Chapter I›Part 123›Subpart A ContainsSections 123.1–123.3CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Sections 123.1 § 123.1 Purpose and scope. 123.2 § 123.2 Definitions. 123.3 § 123.3 Coordination with other programs. Next B Subpart B—State Program Submissions