(b) after the number of members of the Tribunal has been determined: two more than the number of its members.

Rule 24
Supporting Documentation

Supporting documentation shall ordinarily be filed together with the instrument to which it relates, and in any case within the time limit fixed for the filing of such instrument.

Rule 25
Correction of Errors

An accidental error in any instrument or supporting document may, with the consent of the other party or by leave of the Tribunal, be corrected at any time before the award is rendered.

Rule 26
Time Limits

(1) Where required, time limits shall be fixed by the Tribunal by assigning dates for the completion of the various steps in the proceeding. The Tribunal may delegate this power to its President.

(2) The Tribunal may extend any time limit that it has fixed. If the Tribunal is not in session, this power shall be exercised by its President.

(3) Any step taken after expiration of the applicable time limit shall be disregarded unless the Tribunal, in special circumstances and after giving the other party an opportunity of stating its views, decides otherwise.

Rule 27
Waiver

A party which knows or should have known that a provision of the Administrative and Financial Regulations, of these Rules, of any other rules or agreement applicable to the proceeding, or of an order of the Tribunal has not been complied with and which fails to state promptly its objections thereto, shall be deemed—subject to Article 45 of the Convention—to have waived its right to object.

Rule 28
Cost of Proceeding

(1) Without prejudice to the final decision on the payment of the cost of the proceeding, the Tribunal may, unless otherwise agreed by the parties, decide:

	75