Cal. Ins. Code § 923.5
Each insurer transacting business in this state shall at all times maintain reserves in an amount estimated in the aggregate to provide for the payment of all losses and claims for which the insurer may be liable, and to provide for the expense of adjustment or settlement of losses and claims.
The reserves shall be computed in accordance with regulations made from time to time by the commissioner. The promulgation of the regulations by the commissioner, or any changes thereto or amendments thereof, shall be in accordance with the procedure provided in Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code. The commissioner shall make the regulations upon reasonable consideration of the ascertained experience and the character of such kinds of business for the purpose of adequately protecting the insured and securing the solvency of the insurer.
The commissioner may prescribe the manner and form of reporting pertinent information concerning the reserves provided for in this section.
This section shall not apply to life insurance, title insurance, disability insurance, mortgage insurance, or mortgage guaranty insurance.
Ca. Ins. Code § 923.5