96. Amendment and modification of treaties.

96.     Amendment and modification of treaties.

A treaty1 may be amended by agreement between the parties, and the rules regarding the conclusion and entry into force of treaties laid down in the Vienna Convention on the Law of Treaties2 apply to such an agreement except in so far as the treaty may otherwise provide3. This is the case with both bilateral and multilateral treaties, save that, in the case of multilateral treaties, unless the treaty provides otherwise4: (1) any proposal to amend a multilateral treaty as between all the parties must be notified to all the contracting