; and (B) each part or component, for purposes of subsections (a)(2) and (b)(2). 265. Octane standard (a) Octane standard (1) Prohibition (A) 95 research octane number marketing No person shall sell motor vehicle gasoline marketed as 95 research octane number unless that gasoline has a research octane number of 95 or greater. (B) 98 research octane number marketing No person shall sell motor vehicle gasoline marketed as 98 research octane number unless that gasoline has a research octane number of 98 or greater. (C) Deemed compliance A person, including any distributor, blender, marketer, reseller, carrier, retailer, or wholesaler, shall be deemed to be in full compliance with this paragraph if the person can demonstrate, through evidence deemed acceptable by the Administrator, that the person had reason to believe in good faith that the motor vehicle gasoline complied with subparagraph (A) or (B). (2) Controls (A) 95 research octane number availability Effective January 1, 2027, any person that owns, leases, operates, controls, or supervises— (i) a retail outlet at which 200,000 or more gallons of gasoline were sold during calendar year 2024 or any subsequent calendar year, shall offer for sale motor vehicle gasoline of not less than 95 research octane number at that retail outlet; or (ii) 6 or more retail outlets offering motor vehicle gasoline for sale, shall offer for sale motor vehicle gasoline of not less than 95 research octane number at not fewer than 60 percent of those retail outlets. (B) 98 research octane number availability Effective January 1, 2032, any person that owns, leases, operates, controls, or supervises— (i) a retail outlet at which 200,000 or more gallons of gasoline were sold during calendar year 2030 or any subsequent calendar year, shall offer for sale motor vehicle gasoline of not less than 98 research octane number at that retail outlet