Vienna Convention on the Law of Treaties

E36795

international convention multilateral treaty source of international law

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.

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All labels observed (11)

Label	Occurrences
Vienna Convention on the Law of Treaties canonical	30
Article 31 of the Vienna Convention on the Law of Treaties	2
Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations	2
1969 Vienna Convention on the Law of Treaties	1
Article 32 of the Vienna Convention on the Law of Treaties	1
United Nations Conference on the Law of Treaties	1
Vienna Convention 1969	1
Vienna Convention on the Law of Treaties (depositary functions)	1
Vienna Convention on the Law of Treaties (drafting work)	1
Vienna Convention on the Law of Treaties (implicitly through the concept of "party")	1
Vienna Convention on the Law of Treaties, 1969	1

How this entity was disambiguated

This entity first appeared as the object of triple T284135 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Vienna Convention on the Law of Treaties
Context triple: [United Nations system of international law, includesInstrument, Vienna Convention on the Law of Treaties]

A. Vienna Convention on Diplomatic Relations
The Vienna Convention on Diplomatic Relations is a key international treaty that codifies the rules and protections governing diplomatic missions and their personnel between sovereign states.
B. Statute of the International Court of Justice
The Statute of the International Court of Justice is the foundational treaty that establishes the Court’s structure, jurisdiction, and procedures as the principal judicial organ of the United Nations.
C. Convention on the Privileges and Immunities of the United Nations
The Convention on the Privileges and Immunities of the United Nations is an international treaty that defines the legal status, immunities, and protections granted to the UN, its officials, and its missions to ensure their independent functioning worldwide.
D. ICSID Convention
The ICSID Convention is an international treaty that establishes the framework and rules for arbitration and conciliation of investment disputes between states and foreign investors under the auspices of the International Centre for Settlement of Investment Disputes.
E. Treaties of the Holy See
Treaties of the Holy See are formal international agreements concluded by the Vatican, often regulating the Catholic Church’s status, rights, and relations with states and other entities.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Vienna Convention on the Law of Treaties
Target entity description: 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.

A. Vienna Convention on Diplomatic Relations
The Vienna Convention on Diplomatic Relations is a key international treaty that codifies the rules and protections governing diplomatic missions and their personnel between sovereign states.
B. Statute of the International Court of Justice
The Statute of the International Court of Justice is the foundational treaty that establishes the Court’s structure, jurisdiction, and procedures as the principal judicial organ of the United Nations.
C. Convention on the Privileges and Immunities of the United Nations
The Convention on the Privileges and Immunities of the United Nations is an international treaty that defines the legal status, immunities, and protections granted to the UN, its officials, and its missions to ensure their independent functioning worldwide.
D. ICSID Convention
The ICSID Convention is an international treaty that establishes the framework and rules for arbitration and conciliation of investment disputes between states and foreign investors under the auspices of the International Centre for Settlement of Investment Disputes.
E. Treaties of the Holy See
Treaties of the Holy See are formal international agreements concluded by the Vatican, often regulating the Catholic Church’s status, rights, and relations with states and other entities.
F. None of above. chosen

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 ⓘ

How these facts were elicited

Referenced by (42)

Full triples — surface form annotated when it differs from this entity's canonical label.

United Nations system of international law → includesInstrument → Vienna Convention on the Law of Treaties ⓘ

Article XII of the Convention on the Prevention and Punishment of the Crime of Genocide → relatedInstrument → Vienna Convention on the Law of Treaties ⓘ

subject linked to: Article XII

United Nations General Assembly treaties → hasExample → Vienna Convention on the Law of Treaties ⓘ

State Party → governedBy → Vienna Convention on the Law of Treaties ⓘ

Vienna Convention on Consular Relations → relatedTo → Vienna Convention on the Law of Treaties ⓘ

Treaties of Mexico → hasPart → Vienna Convention on the Law of Treaties ⓘ

Article 11 of the Genocide Convention → interpretedInLightOf → Vienna Convention on the Law of Treaties ⓘ

International Law Commission → notableWork → Vienna Convention on the Law of Treaties (drafting work) ⓘ

linked to: Vienna Convention on the Law of Treaties

Treaties of Spain → legalFramework → Vienna Convention on the Law of Treaties ⓘ

VCLT → fullName → Vienna Convention on the Law of Treaties ⓘ

VCLT → abbreviationOf → Vienna Convention on the Law of Treaties ⓘ

VCLT → adoptedBy → United Nations Conference on the Law of Treaties ⓘ

linked to: Vienna Convention on the Law of Treaties

VCLT → inspired → Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations ⓘ

linked to: Vienna Convention on the Law of Treaties

VCLT → alsoKnownAs → Vienna Convention 1969 ⓘ

linked to: Vienna Convention on the Law of Treaties

VCLT → alsoKnownAs → 1969 Vienna Convention on the Law of Treaties ⓘ

linked to: Vienna Convention on the Law of Treaties

United Nations Treaty Collection → includesInstrument → Vienna Convention on the Law of Treaties ⓘ

States parties to the International Covenant on Civil and Political Rights → governedBy → Vienna Convention on the Law of Treaties ⓘ

Treaties of Belgium → hasPart → Vienna Convention on the Law of Treaties ⓘ

GATT Article XXI(b) is not entirely self-judging → basedOn → Article 31 of the Vienna Convention on the Law of Treaties ⓘ

linked to: Vienna Convention on the Law of Treaties

VCCR → relatedTo → Vienna Convention on the Law of Treaties ⓘ

High Contracting Parties → definedBy → Vienna Convention on the Law of Treaties (implicitly through the concept of "party") ⓘ

linked to: Vienna Convention on the Law of Treaties

Draft Articles on the Law of Treaties between States and International Organizations or between International Organizations → basedOn → Vienna Convention on the Law of Treaties ⓘ

Draft Articles on the Law of Treaties between States and International Organizations or between International Organizations → relatedTo → Vienna Convention on the Law of Treaties between States and International Organizations or between International Organizations ⓘ

linked to: Vienna Convention on the Law of Treaties

Draft Articles on the Effects of Armed Conflicts on Treaties → basedOn → Vienna Convention on the Law of Treaties ⓘ

Draft Articles on the Effects of Armed Conflicts on Treaties → complements → Vienna Convention on the Law of Treaties ⓘ

Draft Conclusions on Subsequent Agreements and Subsequent Practice in Relation to the Interpretation of Treaties → basedOn → Vienna Convention on the Law of Treaties ⓘ

Draft Conclusions on Subsequent Agreements and Subsequent Practice in Relation to the Interpretation of Treaties → relatesTo → Article 31 of the Vienna Convention on the Law of Treaties ⓘ

linked to: Vienna Convention on the Law of Treaties

Draft Conclusions on Subsequent Agreements and Subsequent Practice in Relation to the Interpretation of Treaties → relatesTo → Article 32 of the Vienna Convention on the Law of Treaties ⓘ

linked to: Vienna Convention on the Law of Treaties

public international law → hasKeyTreaty → Vienna Convention on the Law of Treaties ⓘ

Article 102 of the Charter of the United Nations → relatedInstrument → Vienna Convention on the Law of Treaties ⓘ

plenipotentiary of the United Kingdom → legalBasis → Vienna Convention on the Law of Treaties ⓘ

C-621/18 Wightman and Others v Secretary of State for Exiting the European Union → relatedInstrument → Vienna Convention on the Law of Treaties ⓘ

Treaties of Benin → governedBy → Vienna Convention on the Law of Treaties ⓘ

Article 32 supplementary means of interpretation → partOf → Vienna Convention on the Law of Treaties ⓘ

Article 32 supplementary means of interpretation → codifiedIn → Vienna Convention on the Law of Treaties, 1969 ⓘ

linked to: Vienna Convention on the Law of Treaties

Depositary Notifications (CN series) → legalBasis → Vienna Convention on the Law of Treaties (depositary functions) ⓘ

linked to: Vienna Convention on the Law of Treaties

Final Clauses of Multilateral Treaties → relatedTo → Vienna Convention on the Law of Treaties ⓘ

Rome Statute Article 113 → interpretedAccordingTo → Vienna Convention on the Law of Treaties ⓘ

Article 15 of the Biological Weapons Convention → interpretationGuidedBy → Vienna Convention on the Law of Treaties ⓘ

Article III:9 → interpretedInLightOf → Vienna Convention on the Law of Treaties ⓘ

Article III:3 → isInterpretedUnder → Vienna Convention on the Law of Treaties ⓘ

Article XIII of the Biological Weapons Convention → interpretedAccordingTo → Vienna Convention on the Law of Treaties ⓘ

subject linked to: Article XIII

All labels observed (11)

How this entity was disambiguated Show

Statements (58)

How these facts were elicited Show

Referenced by (42)

How this entity was disambiguated

How these facts were elicited