(a) at any stage of the proceeding, the portion which each party shall pay, pursuant to Administrative and Financial Regulation 14, of the fees and expenses of the Tribunal and the charges for the use of the facilities of the Centre;

(b) with respect to any part of the proceeding, that the related costs (as determined by the Secretary-General) shall be borne entirely or in a particular share by one of the parties.

(2) Promptly after the closure of the proceeding, each party shall submit to the Tribunal a statement of costs reasonably incurred or borne by it in the proceeding and the Secretary-General shall submit to the Tribunal an account of all amounts paid by each party to the Centre and of all costs incurred by the Centre for the proceeding. The Tribunal may, before the award has been rendered, request the parties and the Secretary-General to provide additional information concerning the cost of the proceeding.

Chapter IV
Written and Oral Procedures

Rule 29
Normal Procedures

Except if the parties otherwise agree, the proceeding shall comprise two distinct phases: a written procedure followed by an oral one.

Rule 30
Transmission of the Request

As soon as the Tribunal is constituted, the Secretary-General shall transmit to each member a copy of the request by which the proceeding was initiated, of the supporting documentation, of the notice of registration and of any communication received from either party in response thereto.

Rule 31
The Written Procedure

(1) In addition to the request for arbitration, the written procedure shall consist of the following pleadings, filed within time limits set by the Tribunal:

(a) a memorial by the requesting party;

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