The Retired National Guard license plate is available to South Carolina residents who have served or currently serving active duty in the Retired National Guard. To apply, you must present official documentation certifying that you have been honorably discharged along with a completed Application for Military License Plate (SCDMV Form MV-37). The cost for the plate is the regular registration fee. You may be issued three plates within the Retired National Guard plate class to include Retired National Guard and Retired National Guard Motorcycle. This plate is available by mail only.