Convention on Transparency in Treaty-based Investor-State Arbitration

Party

EU (European Union) modified

• Ratification: 25-09-2025 (R)
• Entry into force: 25-03-2026

• added reservation
  25-09-2025
  Pursuant to Article 3(l)(a) of the Convention, the European Union declares that it shall not apply the Convention when acting as a respondent in the case of a dispute under the Energy Charter Treaty, including as a result of the application of Article 47(3) of the Energy Charter Treaty, initiated against a Member State of the European Union which is not a party to the Convention, unless agreed upon otherwise with that Member State. The Energy Charter Treaty is a multilateral agreement. This reservation shall apply in respect to all parties to the Energy Charter Treaty that are parties to the Convention, including parties and former parties to the Energy Charter Treaty that made, have made and will make a notification pursuant to Article 47 of the Energy Charter Treaty.

Party

Panama added

• Signature: 10-01-2025
• Reservations / Declarations: No
• Objections: No

Party

EU (European Union) modified

• Signature: 02-07-2024
• Reservations / Declarations: Yes
• Objections: No

• added reservation
  02-07-2024
  Reservation by the European Union pursuant to Article 3(l)(a) of the United Nations Convention on Transparency in Treaty-based Investor-State Arbitration (10 December 2014) (‘the Convention’) Pursuant to Article 3(l)(a) of the Convention, the European Union declares that it shall not apply the Convention when acting as a respondent in the case of a dispute under the Energy Charter Treaty initiated against a Member State of the European Union which is not a party to the Convention, unless agreed upon otherwise with the Member State of the European Union concerned. The Energy Charter Treaty is a multilateral agreement. At the date of this reservation, the Energy Charter Treaty has 56 contracting parties. This reservation shall apply in respect of all contracting parties that are parties to the Convention.

General information

• Entry into force: 18-10-2017

Party

Australia

• Signature: 18-07-2017
• Ratification: 17-09-2020 (R)
• Entry into force: 17-03-2021

Benin

• Signature: 10-07-2017
• Ratification: 19-07-2021 (R)
• Entry into force: 19-01-2022

Bolivia

• Signature: 16-04-2018
• Ratification: 13-10-2020 (R)
• Entry into force: 13-04-2021

Cameroon

• Signature: 11-05-2017
• Ratification: 18-06-2018 (R)
• Entry into force: 18-12-2018

Canada

• Signature: 17-03-2015
• Ratification: 12-12-2016 (R)
• Entry into force: 18-10-2017

Finland

• Signature: 17-03-2015

France

• Signature: 17-03-2015

Gabon

• Signature: 29-09-2015

Gambia, The

• Signature: 20-09-2017
• Ratification: 28-09-2018 (R)
• Entry into force: 28-03-2019

Germany

• Signature: 17-03-2015

Iraq

• Signature: 13-02-2017
• Ratification: 20-08-2021 (R)
• Entry into force: 20-02-2022

Italy

• Signature: 19-05-2015

Luxembourg

• Signature: 15-09-2015

Madagascar

• Signature: 01-10-2015

Mauritius

• Signature: 17-03-2015
• Ratification: 05-06-2015 (R)
• Entry into force: 18-10-2017

Netherlands, the Kingdom of the

• Signature: 18-05-2016

Republic of the Congo

• Signature: 30-09-2015

Sweden

• Signature: 17-03-2015

Switzerland

• Signature: 27-03-2015
• Ratification: 18-04-2017 (R)
• Entry into force: 18-10-2017

Syria

• Signature: 24-03-2015

United Kingdom

• Signature: 17-03-2015

United States of America

• Signature: 17-03-2015

Belgium

• Signature: 15-09-2015
• Reservations / Declarations: Yes
• Objections: No

• reservation
  15-09-2015
  This signature also engages the Wallon Region, the Flemish Region and the Brussels-Capital Region.