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Treaties

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Treaties

Definition
Formal agreement, usually but not necessarily in writing, which is entered into by states or entities possessing the treaty-making capacity, for the purpose of regulating their mutual relations under the law of nations May also refer to conventions, declarations, covenants, acts, and concordats

Enable parties to settle actual and potential conflicts

Makes it possible for the parties to modify the rules of international customary law by means of optional principles or standards

Functions of Treaties
Lead to a transformation of unorganized international society into one which may be organized on any chosen level of social integration

Frequently provide the humus for the growth of international customary law

Essential requisites of a valid treaty


1. Entered into by parties with the treaty making capacity 2. Through their authorized representatives 3. Without the attendance of duress, fraud, mistake, or other vice of consent 4. On any lawful subject-matter 5. In accordance with their respective constitutional processes

Treaty making process

Negotiation

Signature

Ratification

Exchange of Instruments

Binding effect of treaties


Pacta tertiis nec nocent nec prosunt - A treaty does not create either obligations or rights for a third State without its consent Treaties are only binding on the contracting parties and other states who later on sign by a process known as accession

Instances when treaties are made applicable even to third parties


1. Treaty is merely a formal expression of customary international law 2. As provided in the UN Charter: non member states must act in accordance with the principles of the charter in so far as may be necessary for the maintenance of international peace and security 3. Where the treaty expressly extends its benefits to nonsignatory states

Pacta Sunt Servanda


Agreements must be kept Every treaty in force is binding upon the parties to it and must be performed by them in good faith Despite supervening hardships, the parties must comply with their commitments and perform treaty obligations in good faith

Rebus sic stantibus


Things thus standing A tacit condition attached to all treaties to the effect that they will no longer be binding as soon as the state of facts and conditions upon which they were based changes to a substantial degree

Limitations to the doctrine of rebus sic stantibus


1. Applies only to treaties of indefinite duration 2. Vital change must have been unforeseen or unforeseeable and should not have been caused by the party invoking the doctrine 3. Must be invoked within a reasonable time 4. Cannot operate retroactively upon the provisions of the treaty already executed prior to the change of circumstances

Termination of treaties
1. 2. 3. 4. 5. Expiration of term Accomplishment of the purpose Impossibility of performance Loss of the subject-matter Desistance of the parties, through express mutual consent, exercise of the tight of denunciation (desuetude)- when allowed 6. Novation 7. Extinction of one of the parties 8. Rebus sic stantibus 9. Outbreak of war 10. Voidance of the treaty

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