4. At the request of a party, or on its own motion, the arbi­tral tribunal may, after receipt of the arbitration file or at a later stage of the procee­dings, hold a meeting with the parties to discuss the course of the procee­dings and/or to specify further the factual and legal issues in dispute.

Article 24 - Exchange of Memorials

1. Unless the parties have agreed otherwise, the claimant and the respon­dent shall be given the opportunity by the arbitral tribunal to submit a statement of claim and a statement of defence, respectively.

2. Unless the parties have agreed otherwise, it is at the discretion of the arbitral tribunal whether a memorial of reply and a memorial of rejoinder shall be submitted. The same applies to any further written submissions of the parties.