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Recently modified treaties

Recently modified treaties in the last month

Twelfth Additional Protocol to the Constitution of the Universal Postal Union

Dubai, 19-09-2025

Modifications per 17-06-2026
Universal Postal Convention

Abidjan, 26-08-2021

Modifications per 17-06-2026
Fifth Additional Protocol to the General Regulations of the Universal Postal Union

Dubai, 19-09-2025

Modifications per 17-06-2026
Third Additional Protocol to the General Regulations of the Universal Postal Union

Abidjan, 26-08-2021

Modifications per 17-06-2026
Eleventh Additional Protocol to the Constitution of the Universal Postal Union

Abidjan, 26-08-2021

Modifications per 17-06-2026
Protocol for the Prohibition of the Use in War of Asphyxiating, Poisonous or Other Gases, and of Bacteriological Methods of Warfare

Genève, 17-06-1925

Modifications per 17-06-2026
Second Additional Protocol to the Universal Postal Convention

Dubai, 19-09-2025

Modifications per 17-06-2026
Protocol of amendment to the European Convention for the Protection of Animals kept for Farming Purposes

Straatsburg, 06-02-1992

Modifications per 17-06-2026
Agreement amending the Treaty establishing the European Stability Mechanism between the Kingdom of Belgium, the Federal Republic of Germany, the Republic of Estonia, Ireland, the Hellenic Republic, the Kingdom of Spain, the French Republic, the Italian Republic, the Republic of Cyprus, the Republic of Latvia, the Republic of Lithuania, the Grand Duchy of Luxembourg, the Republic of Malta, the Kingdom of the Netherlands, the Republic of Austria, the Portuguese Republic, the Republic of Slovenia, the Slovak Republic and the Republic of Finland

Brussel, 27-01-2021

Modifications per 16-06-2026
European Convention on the Protection of the Archaeological Heritage (revised)

Valetta, 16-01-1992

Modifications per 16-06-2026