Ohio Rev. Code Ann. § 5709.22
(C) The tax commissioner, on the commissioner's own initiative or on complaint by the county auditor of any county in which property to which the exempt facility certificate relates is located, shall revoke the certificate, or modify it by restricting its operation, if it appears to the commissioner that any of the following has occurred:
(4) The tax commissioner issued the certificate in error. As used in this section, "error" means any of the following: