Or. Rev. Stat. § 79A.3150
(1) Except as otherwise provided in this chapter and in ORS 72.4030 (2):
(2) Proceeds that are commingled with other property are identifiable proceeds:
(4) A perfected security interest in proceeds becomes unperfected on the 21st day after the security interest attaches to the proceeds unless:
(a) The following conditions are satisfied:
(5) If a filed financing statement covers the original collateral, a security interest in proceeds which remains perfected under subsection (4)(a) of this section becomes unperfected at the later of:
[Formerly 79.0315]