Specifications include, but are not limited to: 1. The retroreflective license plate shall consist of retroreflective (hereinafter referred to as “reflective” only) sheeting laminated to a chemically treated, or conversion coated, aluminum substrate that is then embossed and message roll coated according to the sheeting manufacturer’s recommendations. 2. The reflective sheeting shall consist of lens elements enclosed within a transparent resin and shall have a pre-coated pressure sensitive adhesive backing protected by a removable liner. The preprinted design, in the reflective sheeting, shall be buried below the sheeting surface to insure reliable long-termdurability. 3. The reflective sheeting shall contain a range of tamper-resistant security marks that can help authorities assure authenticity, defend against counterfeiting, and provide product traceability. a. Identifying marks for purposes of on-vehicle traceability, warranty b. enforcement, and anti-counterfeiting in accordance with these specifications. The warranty marks shall be buried below the sheeting surface for durability and shall incorporate the sheeting manufacturer’s production run number that designates the source of manufacture, year of manufacture, and specific lot from which the material was supplied. The warranty marks shall not interfere or detract from the graphic design or reduce sheeting brightness and shall be durable for the service life of the license plate.