Ohio Rev. Code Ann. § 4113.19

No person shall sell goods or supplies to his employee , or pay such employee wages or a part thereof in goods or supplies, directly or through the intervention of scrip, orders, or other evidence of indebtedness, at higher prices than the reasonable or current market value in cash of such goods or supplies, or, without an express contract with his employee, deduct or retain the wages of such employee, or a part thereof, for wares, tools, or machinery destroyed or damaged.