30-9A-310. When filing required to perfect security interest or agricultural lien -- security interests and agricultural liens to which filing provisions do not apply. (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) The filing of a financing statement is not necessary to perfect a security interest:
(a) that is perfected under 30-9A-308(4), (5), (6), or (7);
(b) that is perfected under 30-9A-309 when it attaches;
(c) in property subject to a statute, regulation, or treaty described in 30-9A-311(1);
(d) in goods in possession of a bailee that is perfected under 30-9A-312(4)(a) or (4)(b);
(e) in certificated securities, documents, goods, or instruments that is perfected without filing or possession under 30-9A-312(5), (6), or (7);
(f) in collateral in the secured party's possession under 30-9A-313;
(g) in a certificated security that is perfected by delivery of the security certificate to the secured party under 30-9A-313;
(h) in a deposit account, electronic chattel paper, electronic document, investment property, or letter-of-credit right that is perfected by control under 30-9A-314;
(i) in proceeds which is perfected under 30-9A-315; or
(j) that is perfected under 30-9A-316.
(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.