(a) General rule: Perfection by filing. Except as otherwise provided in subsection (b) and K.S.A. 2025 Supp. 84-9-312 (b), and amendments thereto, 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 K.S.A. 2025 Supp. 84-9-308 (d), (e), (f), or (g), and amendments thereto;
(2) that is perfected under K.S.A. 2025 Supp. 84-9-309 , and amendments thereto, when it attaches;
(3) in property subject to a statute, regulation, or treaty described in K.S.A. 2025 Supp. 84-9-311 (a), and amendments thereto;
(4) in goods in possession of a bailee which is perfected under K.S.A. 2025 Supp. 84-9-312 (d)(1) or (2), and amendments thereto;
(5) in certificated securities, documents, goods, or instruments which is perfected without filing, control, or possession under K.S.A. 2025 Supp. 84-9-312 (e), (f), or (g), and amendments thereto;
(6) in collateral in the secured party's possession under K.S.A. 2025 Supp. 84-9-313 , and amendments thereto;
(7) in a certificated security which is perfected by delivery of the security certificate to the secured party under K.S.A. 2025 Supp. 84-9-313 , and amendments thereto;
(8) in deposit accounts, electronic chattel paper, electronic documents, investment property, or letter-of-credit rights which is perfected by control under K.S.A. 2025 Supp. 84-9-314 , and amendments thereto;
(9) in proceeds which is perfected under K.S.A. 2025 Supp. 84-9-315 , and amendments thereto; or
(10) that is perfected under K.S.A. 2025 Supp. 84-9-316 , and amendments thereto.
(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.