(a) A security interest that is a perfected security interest immediately before July 1, 2013, is a perfected security interest under this article as it existed on July 1, 2013, if, on July 1, 2013, the applicable requirements for attachment and perfection under this article as it existed on July 1, 2013, are satisfied without further action.

(b) Except as otherwise provided in section 9-805, if, immediately before July 1, 2013, a security interest is a perfected security interest, but the applicable requirements for perfection under this article as it existed on July 1, 2013, are not satisfied on July 1, 2013, the security interest remains perfected thereafter only if the applicable requirements for perfection under this article as it existed on July 1, 2013, are satisfied within one year after July 1, 2013.