Subsequent Conduct of the Parties as Main Rule for Treaty Interpretation

Author:
Fabián Novak

Abstract:
This study analyzes recent advances and developments around one of the most important rules of treaty interpretation: the subsequent conduct of the parties. In this sense, this study aims to establish the content and scope of this main principle of interpretation, reflected both by the 1969 Vienna Convention on the Law of Treaties and by international custom, taking into account its application by international jurisprudence but also the draft conclusions on subsequent agreements and subsequent practice in relation to the interpretation of treaties adopted by the International Law Commission in August 2018. This will be especially useful for those who apply international law, both within the States as well as at international entities, in their permanent work of construing, applying and implementing international treaties.

Index:
1. ASPECTOS GENERALES.—2. LAS REGLAS DE INTERPRETACIÓN DE LOS TRATADOS.—3. LA CONDUCTA ULTERIOR DE LAS PARTES COMO REGLA DE INTERPRETACIÓN PRINCIPAL.—3.1. Regla general obligatoria.—3.2. Regla convencional y consuetudinaria.— 3.3. Regla aplicable en forma combinada.—3.4. Contenido y carácter de prueba objetiva.—3.5. El término «ulterior».—3.6. Alcances del acuerdo ulterior.—3.7. Alcances de la práctica ulterior.—3.8. Diferencias entre los acuerdos ulteriores y la práctica ulterior.— 3.9. Las conferencias de Estados parte.—3.10. Los órganos de expertos.—3.11. Los órganos de control.—3.12. Alcances modificatorios de esta regla.—3.13. La conducta ulterior y la interpretación evolutiva.—3.14. Criterios de valoración de la regla.—4. REFLEXIÓN FINAL

Keywords:
ILC; objective evidence; subsequent agreement; subsequent practice;

Issue:
REDI Vol. 71 2 2019

Section:
Studies

Pages:
101-124

DOI:
http://dx.doi.org/10.17103/redi.71.2.2019.1.04

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