(a) By December 1, 2015, the department will submit to the administrator, in a format prescribed by the administrator, the CSAPR SO₂ group 1 allowance allocations determined in accordance with section 245.3 of this Part, for the 2017 and 2018 control periods.

(b) By June 1, 2017, the department will submit to the administrator, in a format prescribed by the administrator, the CSAPR SO₂ group 1 allowance allocations determined in accordance with section 245.3 of this Part for the 2019 and 2020 control periods.

(c) By June 1, 2019 and June 1st of each year thereafter, the department will submit to the administrator, in a format prescribed by the administrator, the CSAPR SO₂ group 1 allowance allocations determined in accordance with section 245.3 of this Part for the control period in the fourth year following the year of the submission deadline.