Cal. Health and Safety Code § 44558.4

(a) Notwithstanding any other law, including subdivision (a) of Section 44520, the authority may adopt, amend, or repeal rules and regulations for the administration of the program pursuant to this article without complying with the procedural requirements of Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, except as described in subdivision (b). (b) The authority shall provide a notice of proposed action as described in Section 11346.5 of the Government Code. The notice of proposed action shall be provided to the public at least 21 days before the close of the public comment period, and the authority shall schedule at least one public hearing as described in Section 11346.8 of the Government Code before the close of the public comment period. The committee shall maintain a rulemaking file as described in Section 11347.3 of the Government Code. The final version of the regulations shall be accompanied by a final statement of reasons as described in subdivision (a) of Section 11346.9 of the Government Code. (c) These rules and regulations shall be effective immediately upon adoption by the authority.