Vienna Convention on the Law of Treaties

E36795

The Vienna Convention on the Law of Treaties is a cornerstone international agreement that codifies the rules and principles governing the creation, interpretation, and termination of treaties between states.


Statements (58)
Predicate Object
instanceOf international convention
multilateral treaty
source of international law
adoptedAt Vienna
adoptedOn 1969-05-23
appliesTo treaties between states
articleCount 85
citedBy International Court of Justice
domestic courts in treaty interpretation cases
international arbitral tribunals
codifies customary international law on treaties
concludedUnderAuspicesOf United Nations
containsArticle Article 26
Article 31
Article 32
Article 53
Article 60
defines invalidity of a treaty
jus cogens
material breach of a treaty
reservation to a treaty
treaty
depository Secretary-General of the United Nations
doesNotApplyTo international agreements with international organizations
enteredIntoForceOn 1980-01-27
establishesPrinciple consent of states to be bound
contextual interpretation of treaties
good faith performance of treaties
interpretation in good faith
ordinary meaning of treaty terms
pacta sunt servanda
supplementary means of interpretation
field public international law
governs amendment of treaties
application of treaties
conclusion of treaties between states
entry into force of treaties
interpretation of treaties
modification of treaties
suspension of treaties
termination of treaties
hasPreamble yes
influenced subsequent treaty practice
influencedBy customary international law on treaties
language Arabic
Chinese
English
French
Russian
Spanish
negotiatedBy states participating in the United Nations Conference on the Law of Treaties
negotiationConferenceHeldIn Vienna
negotiationConferenceOrganizedBy United Nations
openedForSignatureOn 1969-05-23
partCount 8
recognizesConcept peremptory norms of general international law
shortName VCLT
subject law of treaties


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