Treaties - Copy.pdf - The Law of Treaties Class Learning...

The Law of Treaties

Class Learning Objectives
1. What is a treaty?
2. Who can make treaties?
3. Consent to be bound
4. Reservations and declarations
5. Entry into Force
6. Treaty Interpretation
7. (In)Validity of Treaties
8. Termination of Treaties

Vienna Convention on the Law of
Treaties 1969 (VCLT)
When did it enter into force?
Which states are parties?
If not parties, may be bound by custom:
Which parts are custom?
Other Relevant Treaties
Vienna Convention on the Succession of States in Respect
of Treaties 1978
Vienna Convention on the Law of Treaties between States
and International Organisations or between International
Organisations 1986

1. What is a treaty?

2. Who can make treaties?

Adoption of the text (Art 9)
By consent of all negotiating
At multilateral conference by 2/3 majority unless
decided otherwise
Authentication of text (art 10)

3. Consent to be bound
Evidenced by :
One step Signature (art 12)
Exchange of instruments constituting a treaty (art 13)
Two Step: Signature + ratification (art 14(1))
Signature + acceptance or approval (art 14(2))
Accession (art 15)
Any other means if so agreed (art 17)