- Customary international law — Unilateral acts — Territory, acquisition and transfer — Secession — Jurisdiction of states, nationality principle — State succession, international agreements — State succession, state property and contracts
Published under the auspices of the Max Planck Foundation for International Peace and the Rule of Law under the direction of Rüdiger Wolfrum.
1 Cession is an understanding under international law by which territory is transferred from one State to another with the consent of both States. It is one of the modes by which States can lawfully acquire territory (Territory, Acquisition), and since it is based on mutual consent, it is presumably today the mode having the greatest practical relevance. As it necessarily entails a change of territory, cession is a case of State succession, ie of the replacement of one State by another in the responsibility for the international relations of the territory (see...