CFR›Title 40›Chapter I›Part 142›Subpart A ContainsSections 142.1–142.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—General Provisions Sections 142.1 § 142.1 Applicability. 142.2 § 142.2 Definitions. 142.3 § 142.3 Scope. 142.4 § 142.4 State and local authority. Next B Subpart B—Primary Enforcement Responsibility