Okla. Stat. tit. 12A, § 12A-1-9-401: Alienability of debtor’s rights

ALIENABILITY OF DEBTOR’S RIGHTS

(a) Except as otherwise provided in subsection (b) of this

section and Sections 1-9-406, 1-9-407, 1-9-408, and 1-9-409 of this

title, whether a debtor’s rights in collateral may be voluntarily or

involuntarily transferred is governed by law other than this

article.

(b) An agreement between the debtor and secured party which

prohibits a transfer of the debtor’s rights in collateral or makes

the transfer a default does not prevent the transfer from taking

effect.