(a)
General rule: Perfection by filing. Except as otherwise provided in subsections (b) and (d) of this section and RCW
62A.9A-312(b), a financing statement must be filed to perfect all security interests and agricultural liens.
(b) Exceptions: Filing not necessary. The filing of a financing statement is not necessary to perfect a security interest:
(1) That is perfected under RCW
62A.9A-308 (d), (e), (f), or (g);
(2) That is perfected under RCW
62A.9A-309 when it attaches;
(3) In property subject to a statute, regulation, or treaty described in RCW
62A.9A-311(a);
(4) In goods in possession of a bailee which is perfected under RCW
62A.9A-312(d) (1) or (2);
(5) In certificated securities, documents, goods, or instruments which is perfected without filing, control, or possession under RCW
62A.9A-312 (e), (f), or (g);
(6) In collateral in the secured party's possession under RCW
62A.9A-313;
(7) In a certificated security which is perfected by delivery of the security certificate to the secured party under RCW
62A.9A-313;
(8) In controllable accounts, controllable electronic records, controllable payment intangibles, deposit accounts, electronic documents, investment property, or letter-of-credit rights which is perfected by control under RCW
62A.9A-314;
(8.1) In chattel paper which is perfected by possession and control under RCW
62A.9A-3141;
(9) In proceeds which is perfected under RCW
62A.9A-315; or
(c) Assignment of perfected security interest. If a secured party assigns a perfected security interest or agricultural lien, a filing under this Article is not required to continue the perfected status of the security interest against creditors of and transferees from the original debtor.
(d)
Further exception: Filing not necessary for handler's lien. The filing of a financing statement is not necessary to perfect the agricultural lien of a handler on orchard crops as provided in RCW
60.11.020(3).