S.C. Code Ann. § 56-3-1030: Fleet registration card to be carried and made available to law enforcement officers; license plate to be displayed.

Upon approval of the application for fleet registration, the director shall issue a fleet registration card and license plate for each of the qualified vehicles in the fleet. The fleet registration card must be carried in the vehicle at all times and made available to a law enforcement officer on demand. The license plate must be displayed in the manner prescribed by the Department of Motor Vehicles.