550. Default of a party: powers of the arbitral tribunal.

The parties1 are free to agree on the powers of the arbitral tribunal2 in case of a party's failure to do something necessary for the proper and expeditious conduct of the arbitration3. Unless otherwise agreed by the parties4, then:

(1)     if the tribunal is satisfied that there has been inordinate and inexcusable delay on the part of the claimant5 in pursuing his claim and that the delay6 gives rise, or is likely to give rise, to a substantial risk that it is not possible to have a fair resolution of the issues in that claim7, or has caused, or is