(1) Except as otherwise provided in subsection (2) and section 9312(2), 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 1 or more of the following:

    (a) A security interest that is perfected under section 9308(4), (5), (6), or (7).

    (b) A security interest that is perfected under section 9309 when it attaches.

    (c) A security interest in property subject to a statute, regulation, or treaty described in section 9311(1).

    (d) A security interest in goods in possession of a bailee that is perfected under section 9312(4)(a) or (b).

    (e) A security interest in certificated securities, documents, goods, or instruments that is perfected without filing, control, or possession under section 9312(5), (6), or (7).

    (f) A security interest in collateral in the secured party's possession under section 9313.

    (g) A security interest in a certificated security that is perfected by delivery of the security certificate to the secured party under section 9313.

    (h) A security interest in deposit accounts, electronic chattel paper, electronic documents, investment property, or letter-of-credit rights that is perfected by control under section 9314.

    (i) A security interest in proceeds that is perfected under section 9315.

    (j) A security interest that is perfected under section 9316.

    (3) 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.