When filing required to perfect security interest or agricultural lien; security interests and agricultural liens to which filing provisions do not apply

409.310 When filing required to perfect security interest or agricultural lien; security interests and agricultural liens to which filing provisions do not apply. (1) GENERAL RULE: PERFECTION BY FILING. Except as otherwise provided in sub. (2) and s. 409.312 (2), a financing statement must be filed to perfect all security interests and agricultural liens. (2) EXCEPTIONS: FILING NOT NECESSARY. The filing of a financing statement is not necessary to perfect a security interest: (a) That is perfected under s. 409.308 (4), (5), (6), or (7); (b) That is perfected under s. 409.309 when it attaches; (c) In property subject to a statute, regulation, or treaty described in s. 409.311 (1); (d) In goods in possession of a bailee which is perfected under s. 409.312 (4) (a) or (b); (e) In certificated securities, documents, goods, or instruments which is perfected without filing, control, or possession under s. 409.312 (5), (6), or (7); (f) In collateral in the secured party’s possession under s. 409.313; (g) In a certificated security which is perfected by delivery of the security certificate to the secured party under s. 409.313; (h) In deposit accounts, electronic chattel paper, electronic documents, investment property, or letter-of-credit rights which is perfected by control under s. 409.314; (i) In proceeds which is perfected under s. 409.315; or (j) That is perfected under s. 409.316. (3) ASSIGNMENT OF PERFECTED SECURITY INTEREST. If a secured party assigns a perfected security interest or agricultural lien, a filing under this chapter is not required to continue the perfected status of the security interest against creditors of and transferees from the original debtor. History: 2001 a. 10; 2009 a. 322.