状况 《联合国投资人与国家间基于条约仲裁透明度公约》（2014年，纽约）

(a) 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.