(a) shall assume jurisdiction over, and hear and determine together, all or part of the claims; or
(b) shall assume jurisdiction over, and hear and determine one or more of the claims, the determination of which it believes would assist in the resolution of the others.
3. A disputing party that seeks an order under paragraph 2 shall request the Secretary-General of ICSID to establish a Tribunal and shall specify in the request:
(a) the name of the disputing Party or disputing parties against which the order is sought;
(b) the nature of the order sought; and
(c) the grounds on which the order is sought.
4. The disputing party shall give to the disputing Party or disputing parties against which the order is sought a copy of the request.
5. Within 60 days of receipt of the request, the Secretary- General of ICSID shall establish a Tribunal consisting of three arbitrators. The Secretary-General shall appoint the presiding arbitrator from the roster described in paragraph 4 of Article 1124. In the event that no such presiding arbitrator is available to serve, the Secretary-General shall appoint a presiding arbitrator, who is not a national of any of the Parties, from the ICSID Panel of Arbitrators. The Secretary- General shall appoint the two other members from the roster described in paragraph 4 of Article 1124, and to the extent not available from that roster, from the ICSID Panel of Arbitrators, and to the extent not available from that panel, in the discretion of the Secretary-General. One member shall be a national of the disputing Party and one member shall be a national of the Party of the disputing investors.
6. Where a Tribunal has been established under this Article, a disputing party that has not been named in a request made under paragraph 3 may make a written request to the Tribunal that it be included in an order made under paragraph 2, and shall specify in the request:
(a) the party's name and address;