Ohio Rev. Code Ann. § 3901.352
(A)
(1) The superintendent of insurance is authorized to act as the group-wide supervisor for any internationally active insurance group in accordance with this section. However, the superintendent may otherwise acknowledge a regulatory official from another jurisdiction as the group-wide supervisor for an internationally active insurance group, if the group meets any of the following conditions:
(B)
(1) In cooperation with other state, federal, and international regulatory agencies, the superintendent shall identify one group-wide supervisor for each internationally active insurance group. The superintendent may determine that the superintendent is the appropriate group-wide supervisor for an internationally active insurance group that conducts substantial insurance operations concentrated in this state. However, the superintendent may acknowledge that a regulatory official from another jurisdiction is the appropriate group-wide supervisor for the internationally active insurance group. The superintendent shall consider the following factors when making a determination or acknowledgment under division (B)(1) of this section:
(d) For the purposes of division (C)(1) of this section, whether another regulatory official is acting or is seeking to act as the group-wide supervisor for the internationally active insurance group under a regulatory system that the superintendent determines to be either of the following:
(2) If the superintendent is identified in division (B)(1) of this section as the group-wide supervisor of an internationally active insurance group, the superintendent may determine that it is appropriate to acknowledge another supervisor to serve as the group-wide supervisor. The acknowledgment of the new group-wide supervisor shall be made in accordance with all of the following:
(C)
(2) The superintendent shall make a determination or acknowledgment under division (B) of this section as to the appropriate group-wide supervisor for an internationally active insurance group if a material change in the internationally active insurance group results in either of the following:
(D)
(E) If the superintendent is the group-wide supervisor for an internationally active insurance group, the superintendent may engage in any of the following activities:
(1) Assess the enterprise risks within the internationally active insurance group to ensure all of the following:
(2) Request from any member of an internationally active insurance group subject to the superintendent's supervision information necessary and appropriate to assess enterprise risk, including information about the members of the internationally active insurance group regarding all of the following:
(F) If the superintendent acknowledges that another regulatory official from a jurisdiction that is not accredited by the national association of insurance commissioners is the group-wide supervisor of an internationally active insurance group, the superintendent may reasonably cooperate, through a supervisory college as set forth in section 3901.351 of the Revised Code or otherwise, with group-wide supervision undertaken by the group-wide supervisor if all of the following are true: