§ 97.425 Compliance with CSAPR NOX Annual assurance provisions.
(a) Availability for deduction. CSAPR NOX Annual allowances are available to be deducted for compliance with the CSAPR NOX Annual assurance provisions for a control period in a given year by the owners and operators of a group of one or more CSAPR NOX Annual sources and units in a State (and Indian country within the borders of such State) only if the CSAPR NOX Annual allowances:
(1) Were allocated or auctioned for a control period in a prior year or the control period in the given year or in the immediately following year; and
(2) Are held in the assurance account, established by the Administrator for such owners and operators of such group of CSAPR NOX Annual sources and units in such State (and Indian country within the borders of such State) under paragraph (b)(3) of this section, as of the deadline established in paragraph (b)(4) of this section.
(b) Deductions for compliance. The Administrator will deduct CSAPR NOX Annual allowances available under paragraph (a) of this section for compliance with the CSAPR NOX Annual assurance provisions for a State for a control period in a given year in accordance with the following procedures:
(1) By June 1 of each year from 2018 through 2021 and August 1 of each year thereafter, the Administrator will:
(i) Calculate, for each State (and Indian country within the borders of such State), the total NOX emissions from all CSAPR NOX Annual units at CSAPR NOX Annual sources in the State (and Indian country within the borders of such State) during the control period in the year before the year of this calculation deadline and the amount, if any, by which such total NOX emissions exceed the State assurance level as described in § 97.406(c)(2)(iii); and
(ii) For the set of any States (and Indian country within the borders of such States) for which the results of the calculations required in paragraph (b)(1)(i) of this section indicate that total NOX emissions exceed the respective State assurance levels for such control period—
(A) Calculate, for each such State (and Indian country within the borders of such State) and such control period and each common designated representative for such control period for a group of one or more CSAPR NOX Annual sources and units in such State (and such Indian country), the common designated representative's share of the total NOX emissions from all CSAPR NOX Annual units at CSAPR NOX Annual sources in such State (and such Indian country), the common designated representative's assurance level, and the amount (if any) of CSAPR NOX Annual allowances that the owners and operators of such group of sources and units must hold in accordance with the calculation formula in § 97.406(c)(2)(i); and