RSA 382-A:9-704: Security Interest Unperfected Before Effective Date.

A security interest that is enforceable immediately before this Act takes effect but which would be subordinate to the rights of a person that becomes a lien creditor at that time:

(1) remains an enforceable security interest for one year after this Act takes effect;

(2) remains enforceable thereafter if the security interest becomes enforceable under Section 9-203 when this Act takes effect or within one year thereafter; and

(3) becomes perfected:

(A) without further action, when this Act takes effect if the applicable requirements for perfection under this Act are satisfied before or at that time; or

(B) when the applicable requirements for perfection are satisfied if the requirements are satisfied after that time.