S.C. Code Ann. § 56-5-2530
(A) Except when necessary to avoid conflict with other traffic, or in compliance with law or the directions of a police officer or official traffic-control device, no person shall:
(1) Stop, stand or park a vehicle:
(2) Stand or park a vehicle, whether occupied or not, except momentarily to pick up or discharge passengers:
(3) Park a vehicle, whether occupied or not, except temporarily for the purpose of and while actually engaged in loading or unloading property or passengers: