Chapter 4-15 Passenger Special Plates Silver Star Plate and Motorcycle Plate C. Expiration Date: Silver Star plates expire every two years on a staggered basis determined by the last number of the registration. Plate Motorcycle Here is a link to the Silver Star Plate Information Page. Here is a link to the Silver Star Motorcycle Information Page. Here is a link to the Silver Star Form. 3/08 4:108http://www.mass.gov/rmv/veteran/silver.htm http://www.mass.gov/rmv/veteran/silvermc.htm http://www.mass.gov/rmv/veteran/silver.htm http://www.mass.gov/rmv/veteran/silvermc.htm http://www.mass.gov/rmv/forms/21573.pdf