Ohio Rev. Code Ann. § 1309.616
(A) As used in this section:
(1) "Explanation" means a writing that:
(2) "Request" means a record:
(B) In a consumer-goods transaction in which the debtor is entitled to a surplus or a consumer obligor is liable for a deficiency under section 1309.615 of the Revised Code, the secured party shall:
(1) Send an explanation to the debtor or consumer obligor, as applicable, after the disposition and:
(C) To comply with division (A)(1)(b) of this section, a writing must provide all of the following information in the following order:
(1) The aggregate amount of obligations secured by the security interest under which the disposition was made, and, if the amount reflects a rebate of unearned interest or credit service charge, an indication of that fact, calculated as of a specified date: