(810 ILCS 5/9-310) (from Ch. 26, par. 9-310)
    Sec. 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) General rule: perfection by filing. Except as otherwise provided in subsection (b) and Section 9-312(b), 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 Section 9-308(d), (e),
    
(f), or (g);
        (2) that is perfected under Section 9-309 when it
    
attaches;
        (3) in property subject to a statute, regulation, or
    
treaty described in Section 9-311(a);
        (4) in goods in possession of a bailee which is
    
perfected under Section 9-312(d)(1) or (2);
        (5) in certificated securities, documents, goods, or
    
instruments which is perfected without filing, control, or possession under Section 9-312(e), (f), or (g);
        (6) in collateral in the secured party's possession
    
under Section 9-313;
        (7) in a certificated security which is perfected by
    
delivery of the security certificate to the secured party under Section 9-313;
        (8) in deposit accounts, electronic chattel paper,
    
electronic documents, investment property, letter-of-credit rights, or beneficial interests in Illinois land trusts which is perfected by control under Section 9-314;
        (9) in proceeds which is perfected under Section
    
9-315; or
        (10) that is perfected under Section 9-316.
    (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.
(Source: P.A. 95-895, eff. 1-1-09.)