Convention on Transparency in Treaty-based Investor-State Arbitration
PartiesParties with a link have a reservation.
| Party | Signature | RatificationS=Signature without reservation or requirement of ratification R=Ratification, Acceptance, Approval or Notification A=Accession Su=Succession NK=Not Known | Entry into force | Renunciation | Termination |
|---|---|---|---|---|---|
| Australia | 18-07-2017 | 17-09-2020 (R) | 17-03-2021 | ||
| Belgium | 15-09-2015 | ||||
| Benin | 10-07-2017 | 19-07-2021 (R) | 19-01-2022 | ||
| Bolivia | 16-04-2018 | 13-10-2020 (R) | 13-04-2021 | ||
| Cameroon | 11-05-2017 | 18-06-2018 (R) | 18-12-2018 | ||
| Canada | 17-03-2015 | 12-12-2016 (R) | 18-10-2017 | ||
| EU (European Union) | 02-07-2024 | 25-09-2025 (R) | 25-03-2026 | ||
| Finland | 17-03-2015 | ||||
| France | 17-03-2015 | ||||
| Gabon | 29-09-2015 | ||||
| Gambia, The | 20-09-2017 | 28-09-2018 (R) | 28-03-2019 | ||
| Germany | 17-03-2015 | ||||
| Iraq | 13-02-2017 | 20-08-2021 (R) | 20-02-2022 | ||
| Italy | 19-05-2015 | ||||
| Luxembourg | 15-09-2015 | ||||
| Madagascar | 01-10-2015 | ||||
| Mauritius | 17-03-2015 | 05-06-2015 (R) | 18-10-2017 | ||
| Netherlands, the Kingdom of the | 18-05-2016 | ||||
| Panama | 10-01-2025 | ||||
| Republic of the Congo | 30-09-2015 | ||||
| Sweden | 17-03-2015 | ||||
| Switzerland | 27-03-2015 | 18-04-2017 (R) | 18-10-2017 | ||
| Syria | 24-03-2015 | ||||
| United Kingdom | 17-03-2015 | ||||
| United States of America | 17-03-2015 |
Parties with reservations, declarations and objections
| Party | Reservations / Declarations | Objections |
|---|---|---|
| Belgium | Yes | No |
| EU (European Union) | Yes | No |
Belgium
15-09-2015
This signature also engages the Wallon Region, the Flemish Region and the Brussels-Capital Region.
EU (European Union)
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.
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.