Ohio Rev. Code Ann. § 3901.351
(A) With respect to any insurer registered under section 3901.33 of the Revised Code and in accordance with division (C) of this section, the superintendent of insurance may participate in a supervisory college for any domestic insurer that is part of an insurance holding company system with international operations in order to determine compliance by the insurer with sections 3901.32 to 3901.37 of the Revised Code. In participating, the superintendent may do all of the following:
(E) As used in this section, "supervisory college" means a forum for cooperation and communication between the involved supervisors established for the fundamental purpose of facilitating all of the following: