((a)) ** .—** If a person does not comply with an order of the Federal Maritime Commission for the payment of a refund of money or reparation, the person to which the refund or reparation was awarded may seek enforcement of the order in a district court of the United States having jurisdiction over the parties.

((b)) ** .—** All parties in whose favor the Commission has ordered a refund of money or any other award of reparation by a single order may be joined as plaintiffs, and all other parties in the order (except for the Commission or any component of the Commission) may be joined as defendants, in a single action in a judicial district in which any one plaintiff could maintain an action against any one defendant. Service of process against a defendant not found in that district may be made in a district in which any office of that defendant is located or in which any port of call on a regular route operated by that defendant is located. Judgment may be entered for any plaintiff against the defendant liable to that plaintiff.

((c)) ** .—** In an action under this section, the findings and order of the Commission are prima facie evidence of the facts stated in the findings and order.

((d)) ** .—** The plaintiff is not liable for costs of the action or for costs of any subsequent stage of the proceedings unless they accrue on the plaintiff’s appeal. A prevailing plaintiff shall be allowed reasonable attorney fees to be assessed and collected as part of the costs of the action.

((e)) ** .—** An action under this section to enforce an order of the Commission must be brought within 3 years after the date the order was violated.