N.Y. Comp. Codes R. & Regs. tit. 6, § 242-8.6
(a) Except as provided in subdivision (c) of this section, the CO2 authorized account representative of a CO2 budget unit that is subject to an acid rain emissions limitation may submit a petition under to the administrator under 40 CFR 75.66 (see table 1, section 200.9 of this Title) and to the department requesting approval to apply an alternative to any requirement of 40 CFR part 75 (see table 1, section 200.9 of this Title). Application of an alternative to any requirement of 40 CFR part 75 (see table 1, section 200.9 of this Title) is in accordance with this Subpart only to the extent that the petition is approved in writing by the administrator, and subsequently approved in writing by the department.
(b) Petitions for a CO2 budget unit that is not subject to an acid rain emissions limitation.