Ohio Rev. Code Ann. § 5815.33
(A) As used in this section:
(B)
(C) An agent, bank, broker, custodian, issuer, life insurance company, plan administrator, savings and loan association, transfer agent, trustee, or other person is not liable in damages or otherwise in a civil or criminal action or proceeding for distributing or disposing of property in reliance on and in accordance with a designation of beneficiary as described in division (B)(1) of this section, if both of the following apply: