California Code, Public Utilities Code - PUC § 1044

When the executive director of the commission determines that any passenger stage corporation, or any officer, director, or agent of any passenger stage corporation, has engaged in, is engaged in, or is about to engage in, any acts or practices in violation of this chapter, or any order, decision, rule, regulation, direction, demand, or requirement issued under this chapter, the executive director may make application to the superior court for an order enjoining those acts or practices or for an order directing compliance. The court may grant a permanent or temporary injunction, restraining order, or other order, including, but not limited to, an order allowing vehicles used for subsequent operations subject to the order to be impounded at the carrier's expense and subject to release only by subsequent court order following a petition to the court by the defendant or owner of the vehicle, upon a showing by the executive director that a person or corporation has engaged in or is about to engage in these acts or practices.The commission may contract with the Department of the California Highway Patrol or a sheriff to assist in enforcement of an order for vehicle impound. Any costs incurred by the commission for that assistance are not assignable to the carrier as an expense of impound.