(g) the manner in which the record of the hearings shall be
kept.
(2) In the conduct of the proceeding the Tribunal shall apply any agreement between the parties on procedural matters, except as other- wise provided in the Convention or the Administrative and Financial Regulations.
Rule 21
Pre-Hearing Conference
(1) At the request of the Secretary-General or at the discretion of the President of the Tribunal, a pre-hearing conference between the Tribunal and the parties may be held to arrange for an exchange of information and the stipulation of uncontested facts in order to expedite the proceeding.
(2) At the request of the parties, a pre-hearing conference between the Tribunal and the parties, duly represented by their authorized representatives, may be held to consider the issues in dispute with a view to reaching an amicable settlement.
Rule 22
Procedural Languages
(1) The parties may agree on the use of one or two languages to be used in the proceeding, provided, that, if they agree on any language that is not an official language of the Centre, the Tribunal, after consultation with the Secretary-General, gives its approval. If the parties do not agree on any such procedural language, each of them may select one of the official languages (i.e. English, French and Spanish) for this purpose.
(2) If two procedural languages are selected by the parties, any instruments may be filed in either language. Either language may be used at the hearings, subject, if the Tribunal so requires, to translation and interpretation. The orders and the award of the Tribunal shall be rendered and the record kept in both procedural languages, both versions being equally authentic.
Rule 23
Copies of Instruments
Except as otherwise provided by the Tribunal after consultation with the parties and the Secretary-General, every request, pleading, application, written observation, supporting documentation, if any, or other instrument shall be filed in the form of a signed original accom- panied by the following number of additional copies:
(a) before the number of members of the Tribunal has been
determined: five;
(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: