Maryland Commercial Law Section 9-704

      A security interest that is enforceable immediately before this title 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 title takes effect;

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

            (3)      Becomes perfected:

                  (A)      Without further action, when this title takes effect if the applicable requirements for perfection under this title 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.