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Max Planck Encyclopedia of Comparative Constitutional Law [MPECCoL]

International ius cogens in National Law

Alina Miron

Content type:
Encyclopedia entries
Product:
Max Planck Encyclopedia of Comparative Constitutional Law [MPECCoL]
Article last updated:
July 2018

From: Oxford Constitutions (http://oxcon.ouplaw.com). (c) Oxford University Press, 2023. All Rights Reserved.date: 11 December 2024

Subject(s):
Constitutions and international law — Principles and objectives of constitutions — Comparative constitutional law — Decisions of international courts — International human rights treaties

General Editors: Rainer Grote, Frauke Lachenmann, Rüdiger Wolfrum
Managing Editor: Martina Mantovani

1 The Vienna Convention on the Law of Treaties (1969) (‘VCLT’) consecrated the international ius cogens in its Articles 53 and 64. Yet half a century later, the definition, foundations, and functions of this concept are still open to debate. International ius cogens’ core ideas are reminiscent of well-established domestic concepts of imperative law (ius publicum) and ordre public (public policy) (Alexidze 233; Kolb (2015) 1). Like the imperative rules of domestic legal orders, international ius cogens cannot be derogated from. And like public order, it designates...
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