California Code, Insurance Code - INS § 12921.9

(a) A letter or legal opinion signed by the Commissioner or the Chief Counsel of the Department of Insurance that was prepared in response to an inquiry from an insured or other person or entity and that discusses either generally or in connection with a specific fact situation the application of the Insurance Code or regulations promulgated by the commissioner shall be made public. The department may redact the name, address, policy number, and other identifying information regarding a particular insured or other person or entity from the letter or legal opinion when it is made public.

(b) A letter or legal opinion made public pursuant to this section shall not be construed as establishing an agency guideline, criterion, bulletin, manual, instruction, order, standard of general application, rule, or regulation, as those terms are described in Sections 11340.5 and 11342.600 of the Government Code.