Ohio Revised Code Title XXIII. Courts Common Pleas § 2337.04

(1) Regularly used between the parties as a matter of usage or course of dealing;

(2) Used at the time of a transaction in international trade, by trade usage or common practice, for valuing or settling transactions in the particular commodity or service involved; or

(3) In which the loss was ultimately felt or will be incurred by the party claimant.