Ohio Rev. Code Ann. § 4519.64

Manufacturers and importers of off-highway motorcycles or all-purpose vehicles shall appoint and authorize agents who shall sign manufacturer's or importer's certificates. The registrar of motor vehicles may require that a certified copy of a list containing the names and the facsimile signatures of the authorized agents be furnished to the registrar and be forwarded to each clerk of the court of common pleas in the respective counties within the state, and the registrar may prescribe the form of authorization to be used by the manufacturers or importers and the method of certification of the names of the agents.