Ohio Rev. Code Ann. § 1731.04
(A) An agreement between an alliance and an insurer referred to in division (B) of section 1731.01 of the Revised Code shall contain at least the following:
(B) An agreement between an alliance and an insurer referred to in division (B) of section 1731.01 of the Revised Code may contain provisions relating to, but not limited to, any of the following: