Ohio Rev. Code Ann. § 5531.146
(A)
(B) Proof that a motor vehicle utilized a toll project and therefore the registered owner of the motor vehicle is liable for payment of the applicable user fee shall be evidenced by either or both of the following:
(C)
(1) A registered owner is not liable for a user fee and it is a complete defense to a cause of action asserting such liability if within thirty-five days after the mailing of the invoice, late notice, or a summons, the registered owner of the motor vehicle produces for the toll project operator or the court a certified copy of a report of a law enforcement agency showing both of the following:
(E)
(1) Upon a finding by the municipal court or county court that the registered owner is liable for payment of the user fee as provided in division (A) of section 5531.144 of the Revised Code, the court shall order the registered owner to pay all applicable court costs, user fees due, and administrative fees. The court also shall impose a civil penalty upon the registered owner, as follows:
(F)
(G)