On 3 March 2026, in accordance with Article 42(4) of the Energy Charter Treaty (ECT), the Slovak Republic deposited with the Energy Charter Secretariat, in its capacity as the Depositary of the ECT on an interim basis, an instrument of ratification of the amendments to the ECT adopted at the 35th Statutory Session of the Energy Charter Conference, held on 3 December 2024 in Brussels.

On 2 October 2025, the Swiss Confederation delivered to the Energy Charter Secretariat, in its capacity as the Depositary of the Energy Charter Treaty (ECT) on an interim basis, a communication informing of the Swiss Confederation's exercise of the right under Article 17 of the ECT to deny the advantages of Part III of the ECT to:

1. any legal entity that is owned or controlled by citizens or...

On 16 September 2025, Romania delivered to the Energy Charter Secretariat, in its capacity as the Depositary of the Energy Charter Treaty on an interim basis, a communication in relation to paragraph 2 of the Energy Charter Conference Decision CCDEC 2024 15 GEN.

A copy of the communication may be accessed here