40 CFR 51.105 : Protection Of Environment (§ 1.1 To Parts 1851-1899) — (§ 50.1 To Appendix Y To Part 51) — Environmental Protection Agency (Continued) (§ 50.1 To Appendix Y To Part 51) — Air Programs (§ 50.1 To Appendix Y To Part 51) — Requirements For Preparation, Adoption, And Submittal Of Implementation Plans (§ 51.1 To Appendix Y To Part 51) — Procedural Requirements (§ 51.100 To § 51.105) — Approval of plans.

4 Aug 2016

Revisions of a plan, or any portion thereof, will not be considered part of an applicable plan until such revisions have been approved by the Administrator in accordance with this part.

40 CFR 51.105
[51 FR 40661, Nov. 7, 1986, as amended at 60 FR 33922, June 29, 1995]