N.Y. Comp. Codes R. & Regs. tit. 17, § 720.2
(a) A motor vehicle subject to department inspection requirements shall not be operated unless it displays on the interior surface of the windshield, as close to the lower right hand corner as practicable,* an unexpired certificate of inspection issued to the current owner or operator by the department, or by another regulatory body certified by the department. In lieu of such certificate of inspection, the department shall recognize the display of a valid certificate of inspection issued within the preceding six months for a motor vehicle having a seating capacity of more than 10 passengers engaged in interstate commerce by the following: