NOTE: The manufacturer and retailer assume no responsibility for any use or application of this product in violation of any applicable law. Before installing this product, please check your state and local laws and regulations. In some states, it is unlawful to display on any vehicle a registration plate which is obscured in any manner which inhibits the proper operation of an automated red light enforcement system. Use of PhotoBlocker Spray, PhotoShield Cover and Reflector Cover is unlawful in Pennsylvania and we have voluntarily agreed not to sell these products.