Alienability of debtor’s rights

D.C. Code § 28:9-401, under Rights of Third Parties..

D.C. Code § 28:9-401

(a) Except as otherwise provided in subsection (b) and §§ 28:9-406, 28:9-407, 28:9-408, and 28:9-409, 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.