Materials, manufacturing, performance characteristics, security and warranty marks, quality, testing, packaging, storage, and delivery of finished license tags to the State of Mississippi. These license tags shall have a useful life of not less than five (5) years, except those license tags designated as annual issue, which shall have a useful life of not less than fourteen (14) months. Design The reflective sheeting manufacturer shall maintain a full-time professional design service to assist the state in creating a license plate of high legibility, recognizability and desired aesthetics. The license plate manufacturer shall maintain a full-time design service to assist the state in creating specialty and/or ongoing license plates and license plate designs of high legibility, recognizability and desired aesthetics.