Ohio Rev. Code Ann. § 1901.121
(A)
(2) If a judge of a municipal court that consists of only one judge is otherwise temporarily absent for a reason other than as specified in division (A)(1) of this section, the judge may do either of the following:
(B) If a vacancy occurs in the office of a judge of a municipal court that consists of two judges or if a judge of a municipal court of that nature is incapacitated, unavailable, or temporarily absent, the presiding judge may do either of the following:
(C) If a vacancy occurs in the office of a judge of a municipal court that consists of three or more judges or if a judge of a municipal court of that nature is incapacitated, unavailable, or temporarily absent, the presiding judge may do either of the following: