42. Expert appointed by the arbitral tribunal
(1) Unless otherwise agreed by the parties, the arbitral tribunal after consultation with the parties:
(a) may appoint one or more experts to report to it on specific issues to be determined by the arbitral tribunal; and
(b) may require a party to give the expert(s) any relevant information or to produce, or to provide access to, any relevant documents, goods or other property for his inspection.
(2) Unless otherwise agreed by the parties, if a party so requests or if the arbitral tribunal considers it necessary, the expert(s) shall, after delivery of his written or oral report, participate in a hearing where the parties have the opportunity to put questions to him on the points at issue.
(3) The expenses and costs of the expert(s) appointed by the arbitral tribunal pursuant to this section shall be borne by the parties in accordance with any determination or award made by the arbitral tribunal in that respect.