Article 31
Copies of Instruments

Except as otherwise provided by the Tribunal after consultation with the parties and the Secretariat, every notice, request, pleading, application, written observation or other instrument shall be filed in the form of a signed original accompanied by the following number of additional copies:

(a) before the number of members of the Tribunal has been determined: five; and

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

Article 32
Supporting Documentation

(1) Documentation filed in support of any notice, request, pleading, application, written observation or other instrument introduced into a proceeding shall consist of one original and of the number of additional copies equal to the number of additional copies required of the instrument to which the documentation relates. The original shall, unless otherwise agreed by the parties or ordered by the Tribunal, consist of the complete document or of a copy or extract duly certified by a public official.

(2) Each document which is not in a language approved for the proceeding in question shall, unless otherwise ordered by the Tribunal, be accompanied by a certified translation into such a language.

Article 33
Time Limits

(1) All time limits specified in these Rules or fixed by a Tribunal or the Secretary-General shall be computed from the date on which the limit is announced in the presence of the parties or their representatives or on which the Secretary-General dispatches the pertinent notification or instrument (which date shall be marked on it). The day of such announcement or dispatch shall be excluded from the calculation.

(2) A time limit shall be satisfied if a notification or instrument dispatched by a party is delivered at the seat of the Centre, or to the Secretary of a Tribunal that is meeting away from the seat of the Centre, before the close of business on the indicated date or, if that day is a Saturday, a Sunday, a public holiday observed at the place of delivery or a day on which for any reason regular mail delivery is restricted at the place of delivery, then before the close of business on the next subsequent day on which regular mail service is available.

(3) Any step taken after expiration of the applicable time limit shall be disregarded unless the Tribunal, in special circumstances and

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