§ 72.81  REGISTRATION AND IDENTIFICATION OF SCHOOL BUSES.
   (A)   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 municipality unless there is displayed thereon an identifying number in accordance with R.C. § 4511.764.
   (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 R.C. §§ 4511.63, 4511.76, 4511.761, 4511.762, 4511.77, or 4511.79 or a municipal ordinance that is substantially equivalent to any of those sections, whoever violates this section is guilty of a misdemeanor of the fourth degree.
(R.C. § 4511.764)  Penalty, see § 70.99