The commissioner may, at any reasonable time, make or cause to be made an examination of every admitted insurer transacting any class of insurance to which the provisions of this chapter are applicable to ascertain whether such insurer and every rate and rating system used by it for every such class of insurance complies with the requirements and standards of this chapter applicable thereto. Such examination shall not be a part of a periodic general examination participated in by representatives of more than one state.
Ca. Ins. Code § 1857.2