Ohio Rev. Code Ann. § 5722.05

Whenever nonproductive land is sold under section 5722.03 or 5722.04 of the Revised Code to an electing subdivision, no action shall be commenced, nor shall any defense be asserted, after one year from the date the deed conveying such land to the electing subdivision is filed for record, to question the validity of the title vested in the electing subdivision by such sale for any irregularity, informality, or omission in the proceedings relative to the foreclosure, forfeiture, or sale of such nonproductive land to the electing subdivision.