Okla. Stat. tit. 12A, § 12A-1-9-616

EXPLANATION OF CALCULATION OF SURPLUS OR DEFICIENCY

(a) In this section:

(1) "Explanation" means a record that:

(A) states the amount of the surplus or deficiency;

(B) provides an explanation in accordance with subsection

(c) of this section of how the secured party

calculated the surplus or deficiency;

(C) 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

(D) provides a telephone number or mailing address from

which additional information concerning the

transaction is available.

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(2) "Request" means a record:

(A) signed by a debtor or consumer obligor;

(B) requesting that the recipient provide an explanation;

and

(C) sent after disposition of the collateral under Section

1-9-610 of this title.

(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 1-9-615 of this title, the secured party

shall:

(1) send an explanation to the debtor or consumer obligor, as

applicable, after the disposition and:

(A) before or when the secured party accounts to the

debtor and pays any surplus or first makes demand in a

record on the consumer obligor after the disposition

for payment of the deficiency; and

(B) within fourteen (14) days after receipt of a request;

or

(2) in the case of a consumer obligor who is liable for a

deficiency, within fourteen (14) days after receipt of a request,

send to the consumer obligor a record waiving the secured party's

right to a deficiency.

(c) To comply with subparagraph (B) of paragraph (1) of

subsection (a) of this section, an explanation must provide 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:

(A) if the secured party takes or receives possession of

the collateral after default, not more than thirty-

five (35) days before the secured party takes or

receives possession; or

(B) if the secured party takes or receives possession of

the collateral before default or does not take

possession of the collateral, not more than thirty-

five (35) days before the disposition;

(2) the amount of proceeds of the disposition;

(3) the aggregate amount of the obligations after deducting the

amount of proceeds;

(4) the amount, in the aggregate or by type, and types of

expenses, including expenses of retaking, holding, preparing for

disposition, processing, and disposing of the collateral, and

attorney fees secured by the collateral which are known to the

secured party and relate to the current disposition;

(5) the amount, in the aggregate or by type, and types of

credits, including rebates of interest or credit service charges, to

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which the obligor is known to be entitled and which are not

reflected in the amount in paragraph (1) of this subsection; and

(6) the amount of the surplus or deficiency.

(d) A particular phrasing of the explanation is not required.

An explanation complying substantially with the requirements of

subsection (a) of this section is sufficient, even if it includes

minor errors that are not seriously misleading.

(e) A debtor or consumer obligor is entitled without charge to

one response to a request under this section during any six-month

period in which the secured party did not send to the debtor or

consumer obligor an explanation pursuant to paragraph (1) of

subsection (b) of this section. The secured party may require

payment of a charge not exceeding Twenty-five Dollars ($25.00) for

each additional response.