Ohio Rev. Code Ann. § 1313.18

Appraisers appointed under section 1313.15 of the Revised Code, shall set off in the way that appraisers of property levied on or attached are required to do, exempt property that has to be selected by the debtor. If the setting off is omitted, at any time after the appraisal and before sale, the court may order it to be done by the appraisers.