- Intertemporal law — Peremptory norms / ius cogens — Sovereignty — Customary international law — Treaties, scope (temporal and territorial) — Treaties, application — Vienna Convention on the Law of Treaties
Published under the auspices of the Max Planck Foundation for International Peace and the Rule of Law under the direction of Rüdiger Wolfrum.
1 The application of law is restricted in a twofold way: as to the question of where and as to the question of when. One can also speak of the territorial and temporal spheres of application (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). If legal interaction of any kind took place in the distant past and in the meantime the relevant legal rules have evolved or even changed, the question arises of...