11 M.R.S. §9-1401: Alienability of debtor's rights

(1). Except as otherwise provided in subsection (2) and sections 9‑1406, 9‑1407, 9‑1408 and 9‑1409, whether a debtor's rights in collateral may be voluntarily or involuntarily transferred is governed by law other than this Article.

(2). An agreement between the debtor and secured party that prohibits a transfer of the debtor's rights in collateral or makes the transfer a default does not prevent the transfer from taking effect.