Section 28:9-401 - Alienability of debtor's rights(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.Oct. 26, 2000, D.C. Law 13-201, § 101, 47 DCR 7576.