CFR › Title 40 › Part 124 › §124.21340 CFR §124.213Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Routine changes to the standardized permit with prior Agency approval may only be made with the prior written approval of the Director.(b)You must also follow the procedures in § 124.212(b)(1)-(2).