Okla. Stat. tit. 12A, § 12A-1-9-621: Notification of proposal to accept collateral

NOTIFICATION OF PROPOSAL TO ACCEPT COLLATERAL

(a) A secured party that desires to accept collateral in full

or partial satisfaction of the obligation it secures shall send its

proposal to:

(1) any person from which the secured party has received,

before the debtor consented to the acceptance, a signed notification

of a claim of an interest in the collateral;

(2) any other secured party or lienholder that, ten (10) days

before the debtor consented to the acceptance, held a security

interest in or other lien on the collateral perfected by the filing

of a financing statement that:

(A) identified the collateral;

(B) was indexed under the debtor's name as of that date;

and

(C) was filed in the office or offices in which a

financing statement against the debtor covering the

collateral as of that date would have been filed; and

(3) any other secured party that, ten (10) days before the

debtor consented to the acceptance, held a security interest in the

collateral perfected by compliance with a statute, regulation, or

treaty described in subsection (a) of Section 1-9-311 of this title.

(b) A secured party that desires to accept collateral in

partial satisfaction of the obligation it secures shall send its

proposal to any secondary obligor in addition to the persons

described in subsection (a) of this section.