In the following situations a treaty may be terminated:
- Termination of a treaty in accordance with the terms of the treaty: (art.54 (a)’ In conformity with the provisions of the treaty’)
- The treaty may be for a specified period and terminate at the end of that period.
- The treaty may be for a minimum period with a right to withdraw at the expiry of that period.
- The treaty may be for a specific purpose and terminate on completion of that purpose.
- The treaty may allow withdrawal at any time.
- The treaty may allow withdrawal in special circumstances.
- Termination by agreements. If the treaty does not recognise this circumstances, it is possible if ‘it is established that the parties intended to admit the possibility of denuntiation or withdrawal or, b) a right of denunciation or withdrawal may be implied by the nature of the treaty. Period of time> minim period of 12 months.
- Implied termination where parties enter into another treaty on the same subject (article 59).
- Termination of a treaty which is in conflict with a jus cogens rule (art. 64 VCLT).