Following appointment by appointment by the co-arbitrators, John Beechey (British) accepts his appointment as presiding arbitrator.

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: John Beechey (British), President, appointed by his co-arbitrators; Matthieu de Boisséson (French), appointed by the Claimant; and Toby Landau (British), appointed by the Respondent.

The Tribunal issues Procedural Order No. 2 concerning the Respondent’s request to address certain matters as preliminary questions; as a result, the preliminary questions are to be considered at the same time as the merits of the dispute.

The Respondent files a request for the exclusion of evidence.

The Claimant files observations on the Respondent’s request for the exclusion of evidence.

The Respondent files a renewed application for security for costs.

Following exchanges between the parties, the parties file requests for the Tribunal to decide on production of documents.

The Claimant files observations on the Respondent’s renewed application for security for costs.

The Tribunal issues Procedural Order No. 5 concerning the Respondent’s request for the exclusion of evidence.

The Claimant files a request for reconsideration of the Tribunal’s decision of November 23, 2017 in Procedural Order No. 5.

The Respondent files observations on the Claimant’s request of December 8, 2017.

The Tribunal issues Procedural Order No. 6 concerning the Respondent’s renewed application for security for costs.

The Tribunal issues a decision on the Claimant’s request of December 8, 2017.

The Tribunal issues Procedural Order No. 7 concerning the Respondent’s request for the exclusion of evidence.

The Tribunal issues Procedural Order No. 8 concerning production of documents.

The Tribunal issues Procedural Order No. 9 concerning production of documents.

The Tribunal issues Procedural Order No. 10 concerning production of documents.

The Tribunal issues Procedural Order No. 11 concerning the procedural calendar.

The Claimant files a reply on the merits.

The Tribunal issues Procedural Order No. 12 concerning production of documents.

The Respondent files a rejoinder on the merits.

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

The Tribunal issues Procedural Order No. 13 concerning the organization of the hearing.

The Tribunal issues Procedural Orders No. 14 and 15 concerning certain issues in connection with the organization of the hearing.

The Claimant files a rejoinder on jurisdiction.

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

Each party files a post-hearing brief.

The Respondent files a submission on costs.

The Tribunal declares the proceeding closed in accordance with ICSID Arbitration Rule 38(1).

The Tribunal renders its award; attached to the award is a dissenting opinion by arbitrator Matthieu de Boisséson.

The Secretary-General registers an application for annulment of the award filed by Attila Dogan Construction & Installation Co. Inc. and notifies the parties of the provisional stay of enforcement of the award.

The ad hoc Committee is constituted in accordance with Article 52(3) of the ICSID Convention.  Its members are: August Reinisch (Austrian), President; Bernardo Sepúlveda Amor (Mexico); and Bertha Cooper-Rousseau ((Bahamian); all members appointed by the Chairman of the Administrative Council.

Attila Doğan Construction & Installation Co. Inc. files a request to continue the stay of enforcement of the award.

The ad hoc Committee issues Procedural Order No.1 concerning the request for the continuation of the stay of enforcement of the award.

The ad hoc Committee holds a first session by video conference.

The ad hoc Committee issues Procedural Order No. 2 concerning procedural matters.

Attila Doğan Construction & Installation Co. Inc. files a submission concerning its request to continue the stay of enforcement of the award.

The Sultanate of Oman files observations on Attila Doğan Construction & Installation Co. Inc.’s request to continue the stay of enforcement of the award and a request for security for costs.

Attila Doğan Construction & Installation Co. Inc. files a response to the Sultanate of Oman’s observations and request for security for costs of October 12, 2021.

Attila Doğan Construction & Installation Co. Inc. files a memorial on annulment.

The Sultanate of Oman filed a reply on Attila Doğan Construction & Installation Co. Inc.’s request to continue the stay of enforcement of the award and a response on its request for security for costs.

The ad hoc Committee issues a decision on the continuation of the stay of enforcement of the award and security for costs.

The Sultanate of Oman files a counter-memorial on annulment.

Attila Doğan Construction & Installation Co. Inc. files a reply on annulment.

The Sultanate of Oman files a renewed request for security for costs.

Attila Doğan Construction & Installation Co. Inc. files observations on the Sultanate of Oman’s renewed request for security for costs.

The ad hoc Committee issues a decision on on the Sultanate of Oman’s request of May 27, 2022.

The Sultanate of Oman files a rejoinder on annulment.

Attila Doğan Construction & Installation Co. Inc. files a request for reconsideration of the ad hoc Committee’s decision of July 13, 2022.

The Sultanate of Oman files observations on Attila Doğan Construction & Installation Co. Inc.’s request of August 18, 2022.

The ad hoc Committee issues a decision concerning Attila Doğan Construction & Installation Co. Inc.’s request of August 18, 2022; as a result, the proceeding is suspended.

The Sultanate of Oman files a request for the termination of the proceeding.

Attila Doğan Construction & Installation Co. Inc. files observations on the Sultanate of Oman’s request of January 13, 2023, including a renewed request for reconsideration of the ad hoc Committee’s decision of July 13, 2022 and a request for reconsideration of the ad hoc Committee’s decision of August 30, 2022.

The Sultanate of Oman files a response to Attila Doğan Construction & Installation Co. Inc.’s observations of January 25, 2023.

Attila Doğan Construction & Installation Co. Inc. files further observations on the Sultanate of Oman’s request of January 13, 2023.

The ad hoc Committee issues a decision concerning the Sultanate of Oman’s request of January 13, 2023 and Attila Doğan Construction & Installation Co. Inc.’s requests of January 25, 2023.

The Sultanate of Oman files a renewed request for the termination of the proceeding.

Attila Doğan Construction & Installation Co. Inc. files observations on the Sultanate of Oman’s request of June 20, 2023.

The Sultanate of Oman files a response to Attila Doğan Construction & Installation Co. Inc.’s observations of July 5, 2023.

Attila Doğan Construction & Installation Co. Inc. files further observations on the Sultanate of Oman’s request of June 20, 2023.

The ad hoc Committee issues a decision concerning the Sultanate of Oman’s request of June 20, 2023.

Attila Doğan Construction & Installation Co. Inc. files a proposal for disqualification of the three members of the ad hoc Committee. 

The Sultanate of Oman files observations on the proposal for disqualification.

Attila Doğan Construction & Installation Co. Inc. files additional observations on the proposal for disqualification.

The Sultanate of Oman files additional observations on the proposal for disqualification.

The proposal for disqualification of the three members of the ad hoc Committee is declined by the Chairman of the Administrative Council. 

The Acting Secretary-General issues an order taking note of the discontinuance of the proceeding pursuant to ICSID Administrative and Financial Regulation 16(2)(c).