(iii)__States, if applicable, that future debits, credits, charges including additional credit service charges or interest, rebates and expenses may affect the amount of the surplus or deficiency; and

(iv)__Provides a telephone number or mailing address from which additional information concerning the transaction is available; and

(b)__"Request" means a record:

(i)__Authenticated by a debtor or consumer obligor;

(ii)__Requesting that the recipient provide an explanation; and

(iii)__Sent after disposition of the collateral under section 9-1610.

(2)__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 9-1615, the secured party shall:

(a)__Send an explanation to the debtor or consumer obligor, as applicable, after the disposition and:

(i)__Before or when the secured party accounts to the debtor and pays any surplus or first makes written demand on the consumer obligor after the disposition for payment of the deficiency; and

(ii)__Within 14 days after receipt of a request; or

(b)__In the case of a consumer obligor who is liable for a deficiency, within 14 days after receipt of a request, send to the consumer obligor a record waiving the secured party's right to a deficiency.

(3)__To comply with subsection (1), paragraph (a), subparagraph (ii), a writing must provide the following information in the following order:

(a)__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