RCW 62A.9A-310: When filing required to perfect security interest or agricultural lien; security interests and agricultural liens to which filing provisions do not apply.

(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

(10) That is perfected under RCW 62A.9A-316.

(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).