Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations

General Information

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What is it about?

This document created by the International Law Commission (ILC) undertakes a coding of the rules relative to treaties concluded between States and International Organizations, or between International Organizations. It is very closely related to the Vienna Convention on the Law of Treaties (Vienna, 23 May 1969). Unlike that instrument, however, its provisions extend to International Organizations. It addresses in particular the conclusion, validity, application and termination of treaties involving international organisations.

Why is it relevant?

The Vienna Convention of 1986 assures the stability of relations between States and International Organizations, or between International Organizations, by establishing uniformity and predictability.

Additional Information

In 2003, fifteen intergovernmental organizations were Parties to this instrument: The Preparatory Commission of the Organization of the Treaty of the Complete Prohibition of Nuclear Tests, the European Council, the Organization of Civil Aviation, the Organization of the United Nations, the United Nations Food and Agriculture Organization, the United Nations Educational, Scientific and Cultural Organization, the United Nations Industrial Development Organization, the International Labor Organization, the International Maritime Organization, the World Meteorological Organization, the World Intellectual Property Organization, the World Health Organization, the Organization for the Prohibition of Chemical Weapons, the International Criminal Police Organization, and the International Union of Telecommunications. As of 2004 this agreement is not in force.

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