Artikel 23

1. Unless the treaty otherwise provides or it is otherwise agreed, a newly independent State which makes a notification of succession under article 17 or article 18, paragraph 2, shall be considered a party to the treaty from the date of the succession of States or from the date of entry into force of the treaty, whichever is the later date.
2. Nevertheless, the operation of the treaty shall be considered as suspended as between the newly independent State and the other parties to the treaty until the date of making of the notification of succession except in so far as that treaty may be applied provisionally in accordance with article 27 or as may be otherwise agreed.
3. Unless the treaty otherwise provides or it is otherwise agreed, a newly independent State which makes a notification of succession under article 18, paragraph 1, shall be considered a contracting State to the treaty from the date on which the notification of succession is made.