Ohio Rev. Code Ann. § 1337.42
(A) An agent under a power of attorney may do any of the following on behalf of the principal or with the principal's property only if the power of attorney expressly grants the agent the authority and if exercise of the authority is not otherwise prohibited by another agreement or instrument to which the authority or property is subject, and, with respect to a revocable trust of which the principal was the settlor, if the trust agreement expressly authorizes the agent to exercise the principal's powers with respect to the revocation, amendment, or distribution: