Answer ... Unless the parties have agreed otherwise, the tribunal will decide on the costs of the proceedings at the request of a party in the final award or in a separate order. The tribunal will decide which party, and in what amount, shall reimburse the other party for the costs of the proceedings, including the costs of legal representation and the arbitrators’ fees. The tribunal renders this decision at its own discretion, having regard to the circumstances of the case and the outcome of the proceedings.
Answer ... There are no specific restrictions.