Recent Changes for Treaties – May

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26 May 2026

Opening for signature

Finland, Latvia, Luxembourg, Republic of Moldova, Monaco, Montenegro, Portugal, San Marino, Sweden, Ukraine and the European Union signed the Protocol amending the Council of Europe Convention on the Prevention of Terrorism (CETS No. 231).

26 May 2026

Azerbaijan ratified the Council of Europe Convention against Trafficking in Human Organs (CETS No. 216).

20 May 2026

Latvia ratified the Convention Establishing an International Claims Commission for Ukraine (CETS No. 229).

15 May 2026

The Republic of Moldova and the United Kingdom signed the Council of Europe Convention on the Co-production of Audiovisual Works in the form of Series (CETS No. 230)

The Czech Republic and North Macedonia signed, and Ireland, Ukraine and the European Union ratified the Convention Establishing an International Claims Commission for Ukraine (CETS No. 229)

Sweden signed the Council of Europe Convention on the Protection of the Environment through Criminal Law (CETS No. 228)

The Republic of Moldova signed the Third Additional Protocol to the European Convention on Mutual Assistance in Criminal Matters (CETS No. 227)

San Marino and the Slovak Republic signed the Council of Europe Convention for the Protection of the Profession of Lawyer (CETS No. 226)

The European Union ratified the Council of Europe Framework Convention on Artificial Intelligence and Human Rights, Democracy and the Rule of Law (CETS No. 225)

The Republic of Moldova ratified the Protocol amending the Convention for the Protection of Individuals with regard to Automatic Processing of Personal Data (CETS No. 223)

Liechtenstein ratified the Additional Protocol to the Council of Europe Convention on the Prevention of Terrorism (CETS No. 217)

Armenia ratified the Council of Europe Convention on the Manipulation of Sports Competitions (CETS No. 215)

Montenegro signed the European Convention on the Protection of the Archaeological Heritage (Revised) (ETS No. 143)

11 May 2026

Canada signed the Convention Establishing an International Claims Commission for Ukraine (CETS No. 229).

8 May 2026

North Macedonia signed the Council of Europe Framework Convention on Artificial Intelligence and Human Rights, Democracy and the Rule of Law (CETS No. 225).

6 May 2026

Papua New Guinea acceded to the Convention on Cybercrime (ETS No. 185).