Ohio Rev. Code Ann. § 323.73
(E) The county board of revision shall reject the sale of abandoned land to any person if it is shown by a preponderance of the evidence that the person is delinquent in the payment of taxes levied by or pursuant to Chapter 307., 322., 5737., 5739., 5741., or 5743. of the Revised Code or any real property taxing provision of the Revised Code. The board also shall reject the sale of abandoned land to any person if it is shown by a preponderance of the evidence that the person is delinquent in the payment of property taxes on any parcel in the county, or to a member of any of the following classes of parties connected to that person: