New York Uniform Commercial Code Law Section 9-301 - Law Governing Perfection and Priority of Security Interests.

Section 9--301. Law   Governing  Perfection  and  Priority  of  Security
                Interests.
Except as otherwise provided in Sections 9--303  through  9--306,  the
  following  rules  determine  the law governing perfection, the effect of
  perfection or nonperfection, and the priority of a security interest  in
  collateral:
(a) Except  as  otherwise  provided in this section, while a debtor is
  located in a jurisdiction, the local law of  that  jurisdiction  governs
  perfection,  the effect of perfection or nonperfection, and the priority
  of a security interest in collateral.
(b) While collateral is located in a jurisdiction, the  local  law  of
  that  jurisdiction  governs  perfection,  the  effect  of  perfection or
  nonperfection, and the priority of a  possessory  security  interest  in
  that collateral.
(c) Except  as  otherwise  provided  in subsection (d), while tangible
  negotiable documents, goods, instruments,  money,  or  tangible  chattel
  paper  is  located in a jurisdiction, the local law of that jurisdiction
  governs:
     (1) perfection of a security interest in the goods  by  filing  a
         fixture filing;
     (2) perfection of a security interest in timber to be cut; and
     (3) the effect of perfection or nonperfection and the priority of
         a nonpossessory security interest in the collateral.
(d) The  local  law  of  the  jurisdiction  in  which  the wellhead or
  minehead is located governs perfection,  the  effect  of  perfection  or
  nonperfection,  and  the priority of a security interest in as-extracted
  collateral.
(e) When collateral is a cooperative interest, the law of  this  state
  governs  perfection,  the effect of perfection or nonperfection, and the
  priority of the security interest in such collateral.

Last modified: February 3, 2019