Cal. Ins. Code § 1215.75
(a)
(1) The commissioner is authorized to act as the groupwide supervisor for any internationally active insurance group in accordance with this section. However, the commissioner may otherwise acknowledge another regulatory official as the groupwide supervisor when the internationally active insurance group meets any of the following conditions:
(b) In cooperation with other state, federal, and international regulatory agencies, the commissioner shall identify a single groupwide supervisor for an internationally active insurance group. The commissioner may determine that he or she is the appropriate groupwide supervisor for an internationally active insurance group that conducts substantial insurance operations concentrated in the state. However, the commissioner may acknowledge that a regulatory official from another jurisdiction is the appropriate groupwide supervisor for the internationally active insurance group. The commissioner shall consider all of the following factors when making a determination or acknowledgment pursuant to this subdivision:
(4) Whether another regulatory official is acting, or is seeking to act, as the groupwide supervisor under a regulatory system that the commissioner determines to be either of the following:
(5) Whether another regulatory official acting, or seeking to act, as the groupwide supervisor provides the commissioner with reasonably reciprocal recognition and cooperation.
However, a commissioner identified pursuant to this section as the groupwide supervisor may determine that it is appropriate to acknowledge another supervisor to serve as the groupwide supervisor. The acknowledgment of the groupwide supervisor shall be made after consideration of the factors listed in paragraphs (1) to (5), inclusive, and shall be made in cooperation with and subject to the acknowledgment of other regulatory officials involved with supervision of members of the internationally active insurance group, and in consultation with the internationally active insurance group.
(e) If the commissioner is the groupwide supervisor for an internationally active insurance group, the commissioner is authorized to engage in any of the following groupwide supervision activities:
(1) Assess the enterprise risks within the internationally active insurance group to ensure both of the following:
(2) Request, from any member of an internationally active insurance group subject to the commissioner’s supervision, information necessary and appropriate to assess enterprise risk, including, but not limited to, information about the members of the internationally active insurance group regarding any of the following:
(f) If the commissioner acknowledges that another regulatory official from a jurisdiction that is not accredited by the NAIC is the groupwide supervisor, the commissioner is authorized to reasonably cooperate, through supervisory colleges or otherwise, with groupwide supervision undertaken by the groupwide supervisor if the following conditions are satisfied: