Cal. Health & Safety Code § 41652

If, after the public hearing, the state board finds that the nonattainment area plan approved by the designated air quality planning agencies does not comply with the requirements of the Clean Air Act (42 U.S.C. Sec. 7401 et seq.), the state board may adopt such revisions as necessary to comply with such requirements, except as otherwise provided in Article 5.5 (commencing with Section 53098) of Chapter 1 of Part 1 of Division 2 of Title 5 of the Government Code.