N.Y. Comp. Codes R. & Regs. tit. 17, § 720.7
(1) Fire extinguisher. Every vehicle operated upon the public highways of the state having a carrying capacity of 10 or more passengers shall be equipped with at least one portable fire extinguisher containing not less than four pounds of carbon dioxide or two pounds of dry chemical shall be provided. Such extinguishers shall be:
(3) Reflective triangles. Effective January 1, 1974 as warning device equipment is replaced, each vehicle must be equipped with bi-directional emergency reflective triangles that will conform to the National Highway Traffic Safety Administration's FMVSS No. 125.
(b) School buses (Type A, B, C, D).
(a) General requirements (all vehicles).