S.C. Code Ann. § 56-1-135

(A) Notwithstanding the provisions of Section 56-1-130, a paid or volunteer firefighter of a lawfully and regularly organized fire department designated to drive a firefighting vehicle may have a special endorsement affixed to his driver's license which authorizes him to drive this vehicle for the purpose of carrying out the duties and responsibilities of a fire department and related activities. (B) Every political subdivision and unincorporated community operating a lawfully and regularly organized fire department of this State shall designate a law enforcement officer or the fire chief or his designee as its safety officer. The safety officer shall meet the qualifications set forth in the Department of Motor Vehicle guidelines. However, he does not have to be a full-time employee. A firefighter desiring to drive the vehicle referred to in subsection (A) shall demonstrate his ability to exercise ordinary and reasonable control in the operation of this vehicle to a safety officer. The fire department, including volunteer fire departments, shall submit to the Department of Motor Vehicles a list of the persons designated to drive the vehicle. (C) It is the responsibility of the agency or fire department who operates the vehicle to keep the list of designated drivers current. Changes in the list of drivers must be reported to the Department of Motor Vehicles within thirty days from the change.