D.C. Code § 28:9-325: Priority of security interests in transferred collateral.

(a)

Except as otherwise provided in subsection (b), a security interest created by a debtor is subordinate to a security interest in the same collateral created by another person if:

(1)

The debtor acquired the collateral subject to the security interest created by the other person;

(2)

The security interest created by the other person was perfected when the debtor acquired the collateral; and

(3)

There is no period thereafter when the security interest is unperfected.

(b)

Subsection (a) subordinates a security interest only if the security interest:

(1)

Otherwise would have priority solely under § 28:9-322(a) or 28:9-324; or

(2)

Arose solely under § 28:2-711(3) or 2A-508(5).