§490:9-315 Secured party's rights on disposition of collateral and in proceeds. (a) Except as otherwise provided in this article and in section 490:2-403(2):
(b) Proceeds that are commingled with other property are identifiable proceeds:
(c) A security interest in proceeds is a perfected security interest if the security interest in the original collateral was perfected.
(d) A perfected security interest in proceeds becomes unperfected on the twenty-first day after the security interest attaches to the proceeds unless:
(e) If a filed financing statement covers the original collateral, a security interest in proceeds which remains perfected under subsection (d)(1) becomes unperfected at the later of: