339.21 UNLAWFUL OPERATION; TAX COMMISSIONER TO BE NOTIFIED.
   (a)   No person shall operate a commercial car with three or more axles, a commercial car as part of a commercial tandem or a commercial tractor as part of a commercial tractor combination or commercial tandem on a public highway without a valid highway use permit for such commercial car or commercial tractor.
(ORC 5728.04)
   (b)   Whoever violates this section is guilty of a misdemeanor of the first degree.