Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties

In response to an anxiety about the multiplication of special regimes, international lawyers looked towards Article 31(3)(c) of the Vienna Convention of the Law of Treaties to help sustain the unity of international law. Suppose though that the provision is as susceptible to fragmentation as any oth...

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Main Author: Ivo Tarik de Vries-Zou
Format: Article
Language:English
Published: Utrecht University School of Law 2020-05-01
Series:Utrecht Law Review
Subjects:
Online Access:https://www.utrechtlawreview.org/articles/528
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author Ivo Tarik de Vries-Zou
author_facet Ivo Tarik de Vries-Zou
author_sort Ivo Tarik de Vries-Zou
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description In response to an anxiety about the multiplication of special regimes, international lawyers looked towards Article 31(3)(c) of the Vienna Convention of the Law of Treaties to help sustain the unity of international law. Suppose though that the provision is as susceptible to fragmentation as any other rule; its interpretation and application may fall victim to the narrow interests of the regimes it is meant to harmonise with the rest of international law. This article thus analyses various judicial decisions to measure the extent to which fora have conflicted in ascertaining the normative content of Article 31(3)(c). Using strict and relaxed definitions of jurisprudential conflict, the article concludes that, in both cases, the interpretations and applications of the provision remain coherent, but with some key qualifications.
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spelling doaj.art-11c32437489e465a8c1ba11b1b784ddd2022-12-21T19:15:08ZengUtrecht University School of LawUtrecht Law Review1871-515X2020-05-0116110.36633/ulr.528414Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treatiesIvo Tarik de Vries-Zou0Graduate of the LL.M. program in Public International Law at Utrecht UniversityIn response to an anxiety about the multiplication of special regimes, international lawyers looked towards Article 31(3)(c) of the Vienna Convention of the Law of Treaties to help sustain the unity of international law. Suppose though that the provision is as susceptible to fragmentation as any other rule; its interpretation and application may fall victim to the narrow interests of the regimes it is meant to harmonise with the rest of international law. This article thus analyses various judicial decisions to measure the extent to which fora have conflicted in ascertaining the normative content of Article 31(3)(c). Using strict and relaxed definitions of jurisprudential conflict, the article concludes that, in both cases, the interpretations and applications of the provision remain coherent, but with some key qualifications.https://www.utrechtlawreview.org/articles/528international courts and tribunalsfragmentationjurisprudential conflictarticle 31(3)(c) of the vienna convention on the law of treatiesinterpretation
spellingShingle Ivo Tarik de Vries-Zou
Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
Utrecht Law Review
international courts and tribunals
fragmentation
jurisprudential conflict
article 31(3)(c) of the vienna convention on the law of treaties
interpretation
title Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
title_full Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
title_fullStr Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
title_full_unstemmed Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
title_short Divided but harmonious? The interpretations and applications of article 31(3)(c) of the vienna convention on the law of treaties
title_sort divided but harmonious the interpretations and applications of article 31 3 c of the vienna convention on the law of treaties
topic international courts and tribunals
fragmentation
jurisprudential conflict
article 31(3)(c) of the vienna convention on the law of treaties
interpretation
url https://www.utrechtlawreview.org/articles/528
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