(1) The parties shall file the following written submissions:
a)
a memorial by the requesting party;
b)
a counter-memorial by the other party; and, unless the parties agree otherwise:
c)
a reply by the requesting party; and
d)
a rejoinder by the other party.
(2) A memorial shall contain a statement of the relevant facts, law and arguments, and the request for relief. A counter-memorial shall contain a statement of the relevant facts, including an admission or denial of facts stated in the memorial, and any necessary additional facts, a statement of law in reply to the memorial, arguments, and the request for relief. A reply and rejoinder shall be limited to responding to the previous written submission and addressing any relevant facts that are new or could not have been known prior to filing the reply or rejoinder.
(3) A party may file unscheduled written submissions, observations or supporting documents only after obtaining leave of the Tribunal, unless the filing of such documents is provided for by these Rules. The Tribunal may grant such leave upon a timely and reasoned application if it finds such written submissions, observations or supporting documents are necessary in view of all relevant circumstances.