Ohio Rev. Code Ann. § 4913.22

A person subject to a fine imposed under section 4913.171, 4913.19, or 4913.21 of the Revised Code or division (C)(2) of section 4913.16 of the Revised Code shall pay the fine not later than sixty days after the fine or penalty is imposed. A person subject to a penalty imposed under any of those sections or that division shall begin compliance with the penalty not later than thirty days after the penalty is imposed.