Cal. Pub. Res. Code § 42966

The department shall administer this chapter. The department may adopt any regulations necessary or useful to carry out this chapter or any of the department’s duties or responsibilities imposed pursuant to this chapter. The department shall initially, as soon as possible, adopt 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 safety, and general welfare. Emergency regulations adopted pursuant to this section shall remain in effect for a period not to exceed 120 days.