Cal. Government Code - GOV § 15570.40. Section 15570.40.
(a)
The department may adopt regulations as necessary or appropriate to carry out the purposes of this part.
(b)
Chapter 3.5 (commencing with Section 11340) of Part 1 shall not apply to any standard, criterion, procedure, determination, rule, notice, or guideline established or issued by the department before January 1, 2022, including, but not limited to, any regulation adopted, amended, or repealed by the department and filed with the Office of Administrative Law before January 1, 2022.
(c)
Until January 1, 2019, the adoption and readoption of emergency regulations to carry out the department’s duties, powers, and responsibilities pursuant to this part shall be deemed to be an emergency and necessary for the immediate preservation of the public peace, health and safety, or general welfare for purposes of Sections 11346.1 and 11349.6, and the department is hereby exempted from the requirement that it describe facts showing the need for immediate action and from review of the emergency regulations by the Office of Administrative Law.