Cal. Pub. Resources Code § 3288
The division, the State Air Resources Board, and the State Water Resources Control Board may prescribe, adopt, and enforce any emergency regulations as necessary to implement, administer, and enforce its duties under this article. Any emergency regulation prescribed, adopted, or enforced pursuant to this article shall be adopted in accordance with Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, and, for purposes of that chapter, including Section 11349.6 of the Government Code, the adoption of the regulation is an emergency and shall be considered by the Office of Administrative Law as necessary for the immediate preservation of the public peace, health and safety, and general welfare. Notwithstanding any other law, the emergency regulations adopted by the division, the State Air Resources Board, and the State Water Resources Control Board may remain in effect for two years from adoption, or until July 1, 2026, whichever date is later.
Ca. Pub. Res. Code § 3288