(1) At any time, the parties to an arbitration conducted pursuant to these Rules may consent to expedite the arbitration in accordance with this Chapter ( "expedited arbitration" ) by jointly notifying the Secretary-General in writing of their consent.

(2) Chapters I-XII of the ICSID Additional Facility Arbitration Rules apply to an expedited arbitration except that:

(3) If the parties consent to expedited arbitration after the constitution of the Tribunal pursuant to Chapter IV, Rules 80- 82 shall not apply, and the expedited arbitration shall proceed subject to all members of the Tribunal confirming their availability pursuant to

Rule 83(2)

. If an arbitrator is unavailable to proceed on an expedited basis, the arbitrator may offer to resign.

(1) The Tribunal in an expedited arbitration shall consist of a Sole Arbitrator appointed pursuant to

Rule 81

or a three-member Tribunal appointed pursuant to

Rule 82

.

(2) The parties shall jointly notify the Secretary-General in writing of their election of a Sole Arbitrator or a three-member Tribunal within 30 days after the date of the notice of consent referred to in

Rule 79(1)

.

(3) If the parties do not notify the Secretary-General of their election within the time limit referred to in

paragraph (2)

, the Tribunal shall consist of a Sole Arbitrator to be appointed pursuant to

Rule 81

.

(4) An appointment pursuant to

Rule 81

or 82 is an appointment in accordance with the method agreed by the parties.

(1) The parties shall jointly appoint the Sole Arbitrator within 20 days after the notice referred to in

Rule 80(2)

.

(2) The Secretary-General shall appoint the Sole Arbitrator if:

(3) The following procedure shall apply to the appointment by the Secretary-General of the Sole Arbitrator pursuant to

paragraph (2)

:

(1) A three-member Tribunal shall be appointed in accordance with the following procedure:

(2) The Secretary-General shall appoint the arbitrators not yet appointed if:

(3) The following procedure shall apply to the appointment by the Secretary-General of any arbitrators pursuant to

paragraph (2)

:

(1) An arbitrator appointed pursuant to

Rule 81

or 82 shall accept the appointment and provide a declaration pursuant to

Rule 27(3)

within 10 days after receipt of the request for acceptance.

(2) An arbitrator appointed to a Tribunal constituted pursuant to Chapter IV shall confirm being available to conduct an expedited arbitration within 10 days after receipt of the notice of consent pursuant to

Rule 79(3)

.

(1) The Tribunal shall hold a first session pursuant to

Rule 38

within 30 days after the constitution of the Tribunal.

(2) The first session shall be held remotely, unless both parties and the Tribunal agree it shall be held in person.

(1) The following schedule for written submissions and the hearing shall apply in an expedited arbitration:

(2) Any preliminary objection, counterclaim, incidental or additional claim shall be joined to the schedule referred to in

paragraph (1)

. The Tribunal shall adjust the schedule if a party raises any such matter, taking into account the expedited nature of the process.

(3) The Tribunal may extend the time limits referred to in

paragraph (1)

by up to 30 days to decide a dispute arising from requests to produce documents pursuant to

Rule 47

. The Tribunal shall decide such requests based on written submissions and without an in-person hearing.

(4) Any schedule for submissions other than those referred to in paragraphs (1)-(3) shall run in parallel with the schedule referred to in

paragraph (1)

, unless the proceeding is suspended or the Tribunal decides that there are special circumstances justifying the suspension of the schedule. In fixing time limits for such submissions, the Tribunal shall take into account the expedited nature of the process.

A Tribunal may grant a party in default a grace period not to exceed 30 days pursuant to

Rule 59

.

(1) A Tribunal may rectify any clerical, arithmetical or similar error in the Award on its own initiative within 15 days after rendering the Award.

(2) A request for a supplementary decision, rectification or interpretation of an Award made pursuant to

Rule 72

shall be filed within 15 days after the Award was rendered.

(3) The Tribunal shall issue a supplementary decision, rectification or interpretation of an Award pursuant to

Rule 72

within 30 days after the last submission on the request.

(1) The parties may opt out of an expedited arbitration at any time by jointly notifying the Tribunal and Secretary-General in writing of their agreement.

(2) Upon request of a party, the Tribunal may decide that an arbitration should no longer be expedited. In deciding the request, the Tribunal shall consider the complexity of the issues, the stage of the proceeding and all other relevant circumstances.

(3) The Tribunal, or the Secretary-General if a Tribunal has not been constituted, shall determine the further procedure pursuant to Chapters I-XII and fix any time limit necessary for the conduct of the proceeding.