(a) The compliance date is 60 days after publication in the Federal Register of the final approval by the United States Environmental Protection Agency (EPA) of all or portions of §§116.13, 116.710, 116.711, 116.714 - 116.718, 116.720 - 116.722, 116.740, 116.750, 116.760, and 116.765 of this title (relating to Flexible Permit Definitions; Applicability; Flexible Permit Application; Application Review Schedule; General and Special Conditions; Emission Caps and Individual Emission Limitations; Implementation Schedule for Additional Controls; Significant Emission Increase; Limitation on Physical and Operational Changes; Amendments and Alterations; Distance Limitations; Public Notice and Comment; Flexible Permit Fee; Flexible Permit Renewal; and Compliance Schedule) submitted to the EPA as revisions to the Texas State Implementation Plan. (b) Until the compliance date specified by subsection (a) of this section, applications for flexible permits are governed by §§116.710, 116.711, 116.715 - 116.718, 116.720, 116.721, 116.730, 116.740 and 116.750 of this title, as they existed immediately before January 5, 2011, and those rules are continued in effect for that purpose. All other sections in this subchapter remain applicable to applications for flexible permits.