N.Y. UCC Law § 9-310

Section 9--310. When Filing Required to Perfect Security Interest or\n Agricultural Lien; Security Interests and Agricultural\n Liens to Which Filing Provisions Do Not Apply.\n (a) General rule: perfection by filing. Except as otherwise provided\nin subsection (b) and Section 9--312(b), a financing statement must be\nfiled to perfect all security interests and agricultural liens.\n (b) Exceptions: filing not necessary. Except as provided in subsection\n(d), the filing of a financing statement is not necessary to perfect a\nsecurity interest:\n (1) that is perfected under Section 9--308(d), (e), (f), or (g);\n (2) that is perfected under Section 9--309 when it attaches;\n (3) in property subject to a statute, regulation, or treaty\n described in Section 9--311(a);\n (4) in goods in possession of a bailee which is perfected under\n Section 9--312(d)(1) or (2);\n (5) in certificated securities, documents, goods, or instruments\n which is perfected without filing, control, or possession\n under Section 9--312(e), (f), or (g);\n (6) in collateral in the secured party's possession under Section\n 9--313;\n (7) in a certificated security which is perfected by delivery of\n the security certificate to the secured party under Section\n 9--313;\n (8) in controllable accounts, controllable electronic records,\n controllable payment intangibles, deposit accounts,\n electronic documents, investment property, or\n letter-of-credit rights which is perfected by control under\n Section 9--314;\n (8-a) in chattel paper which is perfected by possession and\n control under Section 9--314A;\n (9) in proceeds which is perfected under Section 9--315;\n (10) that is perfected under Section 9--316; or\n (11) that is a cooperative organization security interest.\n (c) Assignment of perfected security interest. If a secured party\nassigns a perfected security interest or agricultural lien, a filing\nunder this article is not required to continue the perfected status of\nthe security interest against creditors of and transferees from the\noriginal debtor.\n (d) Special rule for cooperative interests. Except for a cooperative\norganization security interest, a security interest in a cooperative\ninterest may be perfected only by filing a financing statement.\n