34.1-9-310. When filing required to perfect security interest or agricultural lien; security interests and agricultural liens to which filing provisions do not apply. (a) Except as otherwise provided in subsection (b) and section 34.1-9-312(b), a financing statement must be filed to perfect all security interests and agricultural liens. (b) The filing of a financing statement is not necessary to perfect a security interest: (i) That is perfected under section 34.1-9-308(d), (e), (f) or (g); (ii) That is perfected under section 34.1-9-309 when it attaches; (iii) In property subject to a statute, regulation, or treaty described in section 34.1-9-311(a); (iv) In goods in possession of a bailee which is perfected under section 34.1-9-312(d)(i) or (ii); (v) In certificated securities, documents, goods or instruments which is perfected without filing, control or possession under section 34.1-9-312(e), (f) or (g); (vi) In collateral in the secured party's possession under section 34.1-9-313; (vii) In a certificated security which is perfected by delivery of the security certificate to the secured party under section 34.1-9-313; (viii) In deposit accounts, electronic chattel paper, 9-313; (vii) In a certificated security which is perfected by delivery of the security certificate to the secured party under section 34.1-9-313; (viii) In deposit accounts, electronic chattel paper, electronic documents, investment property or letter-of-credit rights which is perfected by control under section 34.1-9-314; (ix) In proceeds which is perfected under section 34.1-9-315; or (x) That is perfected under section 34.1-9-316. (c) 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.
Wyoming Legal Code