Ohio Rev. Code Ann. § 5531.141
(B)
(1) If a motor vehicle uses a toll project and the user fee is not paid through an electronic toll collection device or otherwise, the toll project operator first shall use the electronic-monitoring system for the toll project to determine if the registered owner of the motor vehicle has established an account for the payment of the user fee. If such an account has been established, the toll project operator shall charge the account holder the appropriate user fee. If the toll project operator cannot locate an established account, or if the toll project operator locates an established account but the account cannot be charged the appropriate user fee, the toll project operator may send by regular first class mail an invoice for the unpaid user fee. The toll project operator shall include with the invoice the information described in section 5531.143 of the Revised Code. The toll project operator shall send the invoice to the registered owner of the motor vehicle as shown in the records of either of the following: