California Code, Insurance Code - INS § 674.5

(a) No insurer shall cease to offer any particular class of commercial liability insurance without prior notification to the commissioner.

(b) The department shall adopt regulations implementing this section as emergency regulations in accordance with Chapter 3.5 (commencing with Section 11340) of Division 3 of Title 2 of the Government Code, except that for the purposes of Chapter 3.5 (commencing with Section 11340) of Division 3 of Title 2 of the Government Code, any regulations adopted under this section shall be deemed to be necessary for the immediate preservation of the public peace, health and safety, or general welfare. These regulations shall remain in effect for 180 days. Unless the regulation provides for notification by some other classification or category, notification pursuant to this section shall be made for each class of insurance as defined by the Insurance Services Office.