N.Y. Comp. Codes R. & Regs. tit. 15, § 59.5
(a) In-line skate shall be defined as set forth in section 140-a of the Vehicle and Traffic Law.
(b) Reflective material required.
Every in-line skate, except those made for special use by highly skilled or expert skaters or for sale or distribution through custom orders (such as in-line hockey skates and in-line speed skates) shall be equipped with a reflective device or material meeting the following standards: