Ohio Revised Code Title XIX. Courts Municipal Mayor's County § 1905.20

(A) The mayor of a municipal corporation has, within the corporate limits, all the powers conferred upon sheriffs to suppress disorder and keep the peace.

(B) The mayor of a municipal corporation shall award and issue all writs and process that are necessary to enforce the administration of justice throughout the municipal corporation. The mayor shall subscribe his name and affix his official seal to all writs, process, transcripts, and other official papers. A mayor's court magistrate, in hearing and determining prosecutions and criminal causes that are within the scope of his authority under section 1905.05 of the Revised Code, has the same powers and duties as are granted to or imposed upon a mayor under this division.

(C) The mayor of a municipal corporation shall be disqualified in any criminal case in which he was the arresting officer, assisted in the arrest, or was present at the time of arrest, and shall not hear the case.