CFR›Title 40›Chapter I›Part 96›Subpart A ContainsSections 96.1–96.7CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart A—NOX Budget Trading Program General Provisions Sections 96.1 § 96.1 Purpose. 96.2 § 96.2 Definitions. 96.3 § 96.3 Measurements, abbreviations, and acronyms. 96.4 § 96.4 Applicability. 96.5 § 96.5 Retired unit exemption. 96.6 § 96.6 Standard requirements. 96.7 § 96.7 Computation of time. Next AA Subpart AA—CAIR NO<sub>X</sub> Annual Trading Program General Provisions