N.Y. Vehicle & Traffic Law § 2118
(b)
(1) A security interest is perfected:
(2) A security interest in a vehicle provided for in a security agreement made by a person before he becomes the owner of the vehicle or arising under section two hundred eleven of the lien law and section one hundred eleven-u of the social services law:
(c) If a vehicle is subject to a security interest when brought into this state, the validity of the security interest is determined by the law of the jurisdiction where the vehicle was when the security interest attached, subject to the following:
(2) If the security interest was perfected under the law of the jurisdiction where the vehicle was when the security interest attached, the following rules apply: