4(1)Where the arbitral tribunal consists of or includes a judge-arbitrator the powers of the court under sections 42 to 44 (enforcement of peremptory orders, summoning witnesses, and other court powers) are exercisable by the High Court and also by the judge-arbitrator himself.E+W
(2)Anything done by a judge-arbitrator in the exercise of those powers shall be regarded as done by him in his capacity as judge of the High Court and have effect as if done by that court.
Nothing in this sub-paragraph prejudices any power vested in him as arbitrator or umpire.