1. After consultation with the parties, the arbitral tribunal may appoint one or more independent experts to report to it, in writing, on specific issues to be determined by the arbitral tribunal. A copy of the expert’s terms of reference, established by the arbitral tribunal, shall be communicated to the parties.

2. The expert shall, in principle before accepting appoint- ment, submit to the arbitral tribunal and to the parties a descrip- tion of his or her qualifications and a statement of his or her impartiality and independence. Within the time ordered by the arbitral t ribunal, the parties shall inform the arbitral tribunal whether they have any objections as to the expert’s qualifica- tions, i mpartiality or i ndependence. The arbitral tribunal shall decide promptly w hether to accept any such objections. After an expert’s appointment, a party may object to the expert’s qualifications, impartiality or independence only if the objection is for reasons of which the party becomes aware after the appointment has been made. The arbitral tribunal shall decide promptly what, if any, action to take.

3. The parties shall give the expert any relevant information or produce for his or her inspection any relevant documents or goods that he or she may require of them. Any dispute between a party and such expert as to the relevance of the required information or production shall be referred to the arbitral tribunal for decision.

4. Upon receipt of the expert’s report, the arbitral tribunal shall communicate a copy of the report to the parties, which shall be given the opportunity to express, in writing, their opinion on the report. A party shall be entitled to examine any document on which the expert has relied in his or her report.

5. At the request of any party, the expert, after delivery of the report, may be heard at a hearing where the parties shall have the opportunity to be present and to interrogate the expert. At this hearing, any party may present expert witnesses in order to testify on the points at issue. The provisions of

article 28

shall be applicable to such proceedings.