A. Except as otherwise provided in this section, the Uniform Assignment of Rents Act governs the enforcement of an assignment of rents and the perfection and priority of a security interest in rents, even if the document creating the assignment was signed and delivered before the effective date of that act.
B. The Uniform Assignment of Rents Act does not affect an action or proceeding commenced before the effective date of that act.
C. Subsection A of Section 4 [ 56-15-4 NMSA 1978] of the Uniform Assignment of Rents Act does not apply to any security instrument signed and delivered before the effective date of that act.
D. The Uniform Assignment of Rents Act does not affect:
(1) the enforceability of an assignee's security interest in rents or proceeds if, immediately before the effective date of that act, that security interest was enforceable;
(2) the perfection of an assignee's security interest in rents or proceeds if, immediately before the effective date of that act, that security interest was perfected; or
(3) the priority of an assignee's security interest in rents or proceeds with respect to the interest of another person if, immediately before the effective date of that act, the interest of the other person was enforceable and perfected, and that priority was established.