N.Y. Comp. Codes R. & Regs. tit. 6, § 245.3
(b) The department will allocate allowances in whole ton increments from the CSAPR SO2 group 1 trading program budgets for the 2017 control period and beyond in the following manner:
(3) After the department allocates based on paragraphs (1) and (2) of this subdivision, the EERET account will receive the remainder of allowances from the CSAPR SO2 group 1 budget except any allowances reserved for an Indian country new unit set-aside under 40 CFR 97.610(a)(9)(vi) (see Table 1, section 200.9 of this Title).