1. (1) Except as otherwise provided in 30-9A-312(2) or subsection (2) of this section, a financing statement must be filed to perfect all security interests and agricultural liens.

2. (2) The filing of a financing statement is not necessary to perfect a security interest:

   1. (a) that is perfected under 30-9A-308(4), (5), (6), or (7);
   2. (b) that is perfected under 30-9A-309 when it attaches;
   3. (c) in property subject to a statute, regulation, or treaty described in 30-9A-311(1);
   4. (d) in goods in possession of a bailee that is perfected under 30-9A-312(4)(a) or (4)(b);
   5. (e) in certificated securities, documents, goods, or instruments that is perfected without filing or possession under 30-9A-312(5), (6), or (7);
   6. (f) in collateral in the secured party's possession under 30-9A-313;
   7. (g) in a certificated security that is perfected by delivery of the security certificate to the secured party under 30-9A-313;
   8. (h) in a controllable account, controllable electronic record, controllable payment intangible, deposit account, electronic document, investment property, or letter-of-credit right that is perfected by control under 30-9A-314;
   9. (i) in chattel paper that is perfected by possession and control under 30-9A-314A;
   10. (j) in proceeds which is perfected under 30-9A-315; or
   11. (k) that is perfected under 30-9A-316.
3. (3) 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: En. Sec. 29, Ch. 305, L. 1999; Sec. 30-9-330, MCA 1999; redes. 30-9A-310 by Code Commissioner, 2001; amd. Sec. 79, Ch. 575, L. 2005; amd. Sec. 61, Ch. 200, L. 2025.