In December 2025, 35 Council of Europe member states plus the European Union signed the convention establishing the International Claims Commission.

Omissions

• The specific date was December 16, 2025, not just December 2025.
• The convention is formally titled 'Convention establishing an International Claims Commission for Ukraine'.

Sources

• PrimaryCroatian Ministry of Foreign and European AffairsOn December 16, 2025, Croatia along with 34 other states and the EU signed the Council of Europe Convention establishing an International Claims Commission for Ukraine
• PrimaryCouncil of EuropeRecord number of signatures: Andorra, Austria, Belgium, Croatia, Cyprus, Denmark, Estonia, Finland, France, Georgia, Germany, Iceland, Ireland, Italy, and other member states signed the convention on December 16, 2025
• PrimaryEuropean CommissionCommission signs Convention to establish the International Claims Commission for Ukraine on behalf of the EU on December 16, 2025
• SecondaryAmerican Society of International Law (ASIL)On December 16, 2025, the European Union (EU) and thirty-four states signed the Convention establishing an International Claims Commission for Ukraine