(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 Subsection (a) of Section 55-9- 322 NMSA 1978 or under Section 55-9-324 N.M. Stat. Ann.; or

(2)     arose solely under Subsection (3) of Section 55-2-711 or Subsection (5) of Section 55-2A-508 N.M. Stat. Ann..