In this chapter, the following terms have the meanings indicated. Terms Defined. “CSAPR” means the federal Cross-State Air Pollution Rule promulgated under §110 of the federal Clean Air Act. “CSAPR NOx Annual Trading Program” means a multi-state NOx air pollution control and emission reduction program established in accordance with 40 CFR Part 97, Subpart AAAAA, as published July 1, 2017, and 40 CFR §52.38(a) (including such a program that is revised in a SIP revision approved by the Administrator under 40 CFR §52.38(a)(3) or (4) or that is established in a SIP revision approved by the Administrator under 40 CFR §52.38(a)(5)), as a means of mitigating interstate transport of fine particulates and NOx. “CSAPR NOx Ozone Season Group 2 Trading Program” means a multi-state NOx air pollution control and emission reduction program established in accordance with 40 CFR Part 97, Subpart EEEEE, as published July 1, 2017, and 40 CFR §52.38(b)(1), (2)(iii), (7)—(11), and (13) (including such a program that is revised in a SIP revision approved by the Administrator under 40 CFR §52.38(b)(7) or (8) or that is established in a SIP revision approved by the Administrator under 40 CFR §52.38(b)(9)), as a means of mitigating interstate transport of ozone and NOx. “CSAPR SO2 Group 1 Trading Program” means a multi-state SO2 air pollution control and emission reduction program established in accordance with 40 CFR Part 97, Subpart CCCCC, as published July 1, 2017, and 40 CFR §52.39(a), (b), (d)—(f), and (j)—(l) (including such a program that is revised in a SIP revision approved by the Administrator under 40 CFR §52.39(f)), as a means of mitigating interstate transport of fine particulates and SO2. “CSAPR Update” means the federal Cross-State Air Pollution Update Rule promulgated under §110 of the federal Clean Air Act. “Existing unit” for the purpose of allocation means: A unit under the CSAPR NOx Annual Trading Program or the CSAPR SO2 Group 1 Trading Program that commenced commercial operation prior to January 1, 2010. A unit under the CSAPR NOx Ozone Season Group 2 Trading Program that commenced commercial operation prior to January 1, 2015. “New unit” for the purpose of allocation means any unit that is not an existing unit.