Ohio Revised Code Title LI. Public Welfare § 5122.35

(A) In a case in which the jurisdiction of a court has not been specifically given or the procedure provided for, the court in the county in which a person alleged to be mentally ill is found shall have full, complete, and general jurisdiction to make disposition of such person in accordance with the procedure prescribed by Chapter 5122. of the Revised Code.

(B) When an affidavit is filed in the court as provided in section 5122.11 of the Revised Code, and the person alleged to be mentally ill is detained in a hospital located in another county, the court of the county in which such hospital is located shall, upon the request of the court receiving the affidavit, hold a hearing and make disposition of such person in accordance with Chapter 5122. of the Revised Code.