Article X provides that the Annexes to the Treaty, the Protocol, and the Annexes to the Protocol form an integral part of the Treaty and that any reference to the Treaty includes the Annexes to the Treaty, the Protocol, and the Annexes to the Protocol.

Article XI provides that at any time before its entry into force any state may sign the Treaty.

Article XII provides that the Treaty shall be subject to ratification by Signatory States, in accordance with their respective constitutional processes.

Article XIII provides that any state that does not sign the Treaty before its entry into force may accede to it at any time thereafter, i.e., may become a party by depositing its instrument of accession. The purpose of this Article is to allow states to join the Treaty after it enters into force.