Ohio Rev. Code Ann. § 4521.06
(A) A person who is personally or constructively served with a parking ticket charging the commission of a parking infraction may answer the charge by personal appearance before the parking violations bureau, joint parking violations bureau, traffic violations bureau, or juvenile court, whichever is applicable, or by mail. A local authority may, by ordinance, resolution, or regulation, also authorize the answer to a charge of a parking infraction that is a violation of any of its ordinances, resolutions, or regulations to be made by telephone, in which case the parking ticket adopted by the local authority shall indicate such fact. An answer shall be made within the time specified by the local authority and indicated on the ticket, and shall be in one of the following forms:
(B)