The Secretary-General registers a request for the institution of arbitration proceedings. 

Following appointment by the Claimants, Fernando Mantilla-Serrano (Colombian) accepts his appointment as arbitrator.

Following appointment by the Respondent, Philippe Sands (British/French) accepts his appointment as arbitrator.

Philippe Sands withdraws his acceptance of his appointment as arbitrator.

Following appointment by the Respondent, Loretta Malintoppi (Italian) accepts her appointment as arbitrator.

Following appointment by the Chairman of the Administrative Council in accordance with Article 38 of the ICSID Convention, Maxi Scherer (German) accepts her appointment as presiding arbitrator.

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention.  Its members are: Maxi Scherer (German), President, appointed by the Chairman of the Administrative Council in accordance with Article 38 of the ICSID Convention; Fernando Mantilla-Serrano (Colombian), appointed by the Claimants; and Loretta Malintoppi (Italian), appointed by the Respondent.

The Tribunal holds a first session by video conference.

The Tribunal issues Procedural Order No. 1 concerning procedural matters.

The Tribunal issues Procedural Order No. 2 concerning the procedural calendar.

The Claimants file a memorial on the merits.

The Respondent files a request for security for costs.

The Respondent files a request for security for costs.

The Respondent files a request to address the objections to jurisdiction as a preliminary question.

The Tribunal issues Procedural Order No. 3 concerning the procedural calendar.

The Claimants file observations on the request to address the objections to jurisdiction as a preliminary question.

The Claimants file observations on the Respondent’s request for security for costs.

The Respondent files a response to the Claimants’ observations of December 8, 2021.

The Claimants file further observations on the Respondent’s response of December 22, 2021.

The Tribunal issues Procedural Order No. 4 concerning the Respondent’s request to address the objections to jurisdiction as a preliminary question; as a result, the objections to jurisdiction are joined to the merits of the dispute.

The Tribunal issues Procedural Order No. 5 concerning the Respondent’s application for security for costs.

The parties filed a submission on the procedural calendar.

The Tribunal issues Procedural Order No. 6 concerning the procedural calendar.

The Respondent files a counter-memorial on the merits and a memorial on jurisdiction.

The Tribunal issues Procedural Order No. 7 concerning production of documents.

The Claimants file a reply on the merits and a counter-memorial on jurisdiction.

The Tribunal issues Procedural Order No. 8 concerning the procedural calendar.

The Respondent files a rejoinder on the merits and reply on jurisdiction.

The Claimants file a rejoinder on jurisdiction.

The Claimants file a request for the Tribunal to order the production of witnesses.

The Respondent files observations on the Claimants’ request of August 11, 2023.

The Tribunal issues Procedural Order No. 9 concerning the production of witnesses.

Each party files observations concerning the production of witnesses.

The Tribunal issues Procedural Order No. 10 concerning the production of witnesses.

The Tribunal holds a pre-hearing organizational meeting with the parties by video conference.

The Tribunal issues Procedural Order No. 11 concerning organization of the hearing.

The Tribunal holds a hearing on jurisdiction and the merits in Paris.

The Claimants file a request to present an ancillary claim.

The Respondent files observations on the Claimants’ request of December 15, 2023.

The Tribunal issues Procedural Order No. 12 concerning Claimants' application to introduce an ancillary claim.

The Claimants file a request for the Tribunal to decide on the admissibility of new evidence.

The Respondent files observations on the Claimants’ request of February 8, 2024.

The Tribunal issues Procedural Order No. 13 concerning the admissibility of new evidence.

Each party files a post-hearing brief.

The Respondent files a request for the Tribunal to decide on the admissibility of aspects of the Claimants’ post-hearing brief.

The Claimants file observations on the Respondent’s request of March 12, 2024.

The Tribunal issues Procedural Order No. 14 concerning the Respondent’s request of March 12, 2024.