Ohio Rev. Code Ann. § 4735.72
(A) The brokerage and management level licensees in a brokerage in which there is a dual agency relationship described in section 4735.70 of the Revised Code shall do each of the following:
(B) When two licensees affiliated with the same brokerage represent separate clients in the same transaction, each affiliated licensee shall do both of the following:
(C)
(E)
(1) If a brokerage determines that confidential information of one client in a dual agency relationship has become known to any licensee employed by or affiliated with the brokerage who is representing the other client in the dual agency relationship, as a result of the failure of the brokerage, its licensees, or its employees to maintain such confidentiality, the brokerage shall do both of the following: