CFR›Title 40›Chapter I›Part 96›Subpart AAAA ContainsSections 96.301–96.308CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Subpart AAAA—CAIR NOX Ozone Season Trading Program General Provisions Sections 96.301 § 96.301 Purpose. 96.302 § 96.302 Definitions. 96.303 § 96.303 Measurements, abbreviations, and acronyms. 96.304 § 96.304 Applicability. 96.305 § 96.305 Retired unit exemption. 96.306 § 96.306 Standard requirements. 96.307 § 96.307 Computation of time. 96.308 § 96.308 Appeal procedures. Source70 FR 25382, May 12, 2005, unless otherwise noted. Previous AAA Subpart AAA—CAIR SO <sub>2</sub> Trading Program General Provisions Next B Subpart B—NO<sub>X</sub> Authorized Account Representative for NO<sub>X</sub> Budget Sources