Cal. Health and Safety Code § 41503.2

(a) If the state board concludes that a district’s plan does not meet the requirements of Section 41503, the state board shall notify the district of all deficiencies in writing. The district shall correct the deficiencies identified by the state board, and shall submit its revised plan to the state board for approval. (b) If the district does not concur with the state board’s findings and determinations of deficiency, or the state board determines that the district’s plan revisions are inadequate to remedy identified deficiencies, the state board and the district shall attempt to resolve the differences within three months of the board’s disapproval. The state board and the districts shall develop a uniform conflict resolution procedure, for purposes of this subdivision, prior to any district’s submittal of its attainment plan to the state board. (c) If a conflict between the state board and district cannot be resolved, the state board shall take all of the following actions: (1) Conduct a public hearing in the air basin containing the affected district for purposes of hearing testimony on the plan and the deficiencies identified by the state board pursuant to subdivision (a). (2) Prior to conducting the hearing, provide a 45-day written notice to the affected district and to the public of the date, time, location, and subject of the hearing. (3) After conducting the public hearing on the plan and the deficiencies identified by the state board, revise the district’s plan as it finds and determines necessary.