28(4)If the security interest in the original collateral is perfected other than in a manner referred to in subsection (3), the security interest in the proceeds is a continuously perfected security interest for the first fifteen days after the security interest in the original collateral attaches to the proceeds but becomes unperfected on the expiry of that period, unless the security interest in the proceeds is otherwise perfected by any of the methods and under the circumstances specified in this Act for original collateral of the same kind.