Cal. Ins. Code § 11400

Firemen's, policemen’s or peace officers’ benefit and relief associations now existing, or that may be formed hereafter for the purpose of aiding their members or dependents of their members in case of sickness, accident, distress, or death, shall be subject to this chapter, to the extent not preempted by the federal Employee Retirement Income Security Act of 1974 (ERISA). An association that operates strictly in accordance with this chapter shall not be subject to any other provision of this code or to any law of this state relating to insurance, whether now existing or hereafter enacted, except when expressly designated in that law.