Wis. Stat. § 409.803: Security interest perfected before effective date.

(1) Continuing perfection: perfection requirements satisfied. A security interest that is a perfected security interest immediately before July 1, 2013, is a perfected security interest under this chapter, as affected by 2011 Wisconsin Act 206 if, on July 1, 2013, the applicable requirements for attachment and perfection under this chapter, as affected by 2011 Wisconsin Act 206 are satisfied without further action.

(2) Continuing perfection: perfection requirements not satisfied. Except as otherwise provided in s. 409.805, if, immediately before July 1, 2013, a security interest is a perfected security interest, but the applicable requirements for perfection under this chapter, as affected by 2011 Wisconsin Act 206 are not satisfied as of July 1, 2013, the security interest remains perfected thereafter only if the applicable requirements for perfection under this chapter, as affected by 2011 Wisconsin Act 206, are satisfied within one year after July 1, 2013.