Constitution of the State of Ohio Art. IV, § 13

In case the office of any judge shall become vacant, before the expiration of the regular term for which he was elected, the vacancy shall be filled by appointment by the governor, until a successor is elected and has qualified; and such successor shall be elected for the unexpired term, at the first general election for the office which is vacant that occurs more than forty days after the vacancy shall have occurred; provided, however, that when the unexpired term ends within one year immediately following the date of such general election, an election to fill such unexpired term shall not be held and the appointment shall be for such unexpired term.