Iowa Code § 554.11104: Transition provision on change of requirement of filing.

A security interest for the perfection of which filing or the taking of possession was required under this chapter prior to amendment and which attached prior to January 1, 1975, but was not perfected shall be deemed perfected on January 1, 1975, if this chapter as amended permits perfection without filing or the taking of possession, or authorizes filing in the office or offices where a prior ineffective filing was made.