O.C.G.A. § 40-1-123

Any motor carrier which operates on the public highways of this state without the required certificate or permit, or after such certificate or permit has been canceled, or without having registered its vehicle or vehicles as provided for in this part or which operates otherwise than is permitted by the terms of such certificate or permit or the laws of this state may be enjoined from operating on the public highways of this state upon the bringing of a civil action by the department, by a competing motor carrier or rail carrier, or by any individual.