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Max Planck Encyclopedia of Public International Law [MPEPIL]

Intertemporal Law

Markus Kotzur, Christina Simmig

Content type:
Encyclopedia entries
Product:
Max Planck Encyclopedias of International Law [MPIL]

Module:
Max Planck Encyclopedia of Public International Law [MPEPIL]
Article last updated:
November 2024

From: Oxford Public International Law (http://opil.ouplaw.com). (c) Oxford University Press, 2023. All Rights Reserved.date: 13 February 2025

Subject(s):
Sovereignty — Customary international law — Vienna Convention on the Law of Treaties — Treaties, application — Treaties, scope (temporal and territorial) — Intertemporal law — Peremptory norms / ius cogens

Published under the auspices of the Max Planck Institute for Comparative Public Law and International Law under the direction of Professor Anne Peters (2021–) and Professor Rüdiger Wolfrum (2004–2020). 

Original version by Markus Kotzur April 2008; substantive update by Markus Kotzur and Christina Simmig November 2024. 1 The application of law is restricted in a threefold way: as to the question of where, as to the question of when, and as to the question to whom. One can also speak of the territorial, temporal, and personal spheres of applicability (see also Treaties, Territorial Application). Intertemporal law concerns the second aspect with a primary focus not on the temporal validity but on the temporal applicability of a norm (see also Treaties, Validity)....
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