Cal. Health and Safety Code § 25169.8

(a) On or before July 1, 2003, the department shall adopt emergency regulations to implement this article, with the concurrence of the California Highway Patrol. (b) The regulations adopted by the department pursuant to this section shall be adopted as emergency regulations 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 the purposes of that chapter, including Section 11349.6 of the Government Code, the adoption of these regulations 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 Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, including subdivision (e) of Section 11349.1 of the Government Code, any emergency regulations adopted pursuant to this section shall be filed with, but not be repealed by, the Office of Administrative Law and shall remain in effect until revised by the department. (c) Except as provided in subdivision (d), in adopting regulations pursuant to this section, the department shall ensure that the regulations are consistent with the Hazardous Materials Transportation Authorization Act of 1994 (Chapter 51 (commencing with Section 5101) of Title 49 of the United States Code, and thereafter amended. (d) If the department determines that a requirement imposed pursuant to Section 25169.7 could be preempted by the Hazardous Materials Transportation Authorization Act of 1994 pursuant to Section 5125 of Title 49 of the Code of Federal Regulations, the department shall apply to the Secretary of Transportation for a waiver of preemption pursuant to subsection (e) of Section 5125 of Title 49 of the United States Code.