Ohio Revised Code Title XLV. Motor Vehicles Aeronautics Watercraft § 4511.764

(A) The superintendent of the state highway patrol shall require school buses to be registered, in the name of the owner, with the state highway patrol on forms and in accordance with regulations as the superintendent may adopt.

When the superintendent is satisfied that the registration has been completed, the superintendent shall assign an identifying number to each school bus registered in accordance with this section. The number so assigned shall be marked on the front and rear of the vehicle in black lettering not less than six inches in height and will remain unchanged as long as the ownership of that vehicle remains the same.

No person shall operate, nor shall any person, being the owner thereof or having supervisory responsibility therefor, permit the operation of a school bus within this state unless there is displayed thereon an identifying number in accordance with this section.

(B) Except as otherwise provided in this division, whoever violates this section is guilty of a minor misdemeanor. If the offender previously has been convicted of or pleaded guilty to one or more violations of section 4511.63, 4511.76, 4511.761, 4511.762, 4511.77, or 4511.79 of the Revised Code or a municipal ordinance that is substantially similar to any of those sections, whoever violates this section is guilty of a misdemeanor of the fourth degree.