Ohio Rev. Code Ann. § 321.47
(B) By the thirty-first day of January following completion of each biennial cycle described in division (B)(3)(a) of section 321.46 of the Revised Code, the treasurer of state shall determine whether any county treasurer has failed to comply with the county treasurer's continuing education requirements pursuant to section 321.46 of the Revised Code and, by certified mail, shall notify any county treasurer who has not complied with the requirements. The notice shall contain all of the following:
(C)