- (a) States may revise the plan from time to time consistent with the requirements applicable to implementation plans under this part.
- (b) The States must submit any revision of any regulation or any compliance schedule under paragraph (c) of this section to the Administrator no later than 60 days after its adoption.
- (c) EPA will approve revisions only after applicable hearing requirements of § 51.102 have been satisfied.
- (d) In order for a variance to be considered for approval as a revision to the State implementation plan, the State must submit it in accordance with the requirements of this section.
[51 FR 40661, Nov. 7, 1986, as amended at 61 FR 16060, Apr. 11, 1996]