C.R.S. § 4-9-325

(a) Except as otherwise provided in subsection (b) of this section, 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) of this section subordinates a security interest only if the security interest: (1) Otherwise would have priority solely under section 4-9-322 (a) or 4-9-324 ; or (2) Arose solely under section 4-2-711 (3) or 4-2.5-508 (5).