29(4)A security interest in goods arising under subsection (3) is perfected if the security interest in the account or chattel paper was perfected when the goods were returned, seized or repossessed, but becomes unperfected on the expiry of fifteen days after the return, seizure or repossession, unless the transferee registers a financing statement relating to the security interest or takes possession of the goods by seizure, repossession or otherwise, before the expiry of that fifteen day period.