S.C. Code Ann. § 56-3-2230: Department of Motor Vehicles may classify certain motorcycles as antique.

(a) Every motorcycle over twenty-five years old, which is owned solely as a collector's item and is used for participation in club activities, exhibits, tours, parades and similar uses, but is not used for general transportation, may be classified by the Department of Motor Vehicles as an antique motorcycle.

(b) Upon receipt of an application on a form prescribed by the Department, it may issue appropriately designated license plates to owners of antique motorcycles. An antique motorcycle license plate shall be valid as long as title to the motorcycle is vested in the applicant. The fee for the certificate of registration and license plate of any such motorcycle shall be ten dollars.