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Depositary Notifications (CNs) by the Secretary-General

The depositary is required to provide certain information to all interested parties on the treaties deposited with him. The Secretary-General, as depositary of multilateral treaties, provides this information by issuing depositary notifications. Depositary notifications, which are made available to interested parties in hard copy and by e-mail, deal with, inter alia, the following:

  • Opening of treaties for signature;
  • Signatures affixed to treaties;
  • Deposit of binding instruments, such as, instruments of ratification, acceptance, approval or accession;
  • Deposit of notifications of succession;
  • Reservations, declarations and territorial applications;
  • Communications, objections to reservations, withdrawal of reservations and withdrawal of objections;
  • Denunciations and terminations;
  • Any other information that, in the opinion of the Secretary-General, should be made known to the interested parties. 

These notifications relate exclusively to the Secretary-General's functions as depositary; any other communications concerning agreements which the Secretary-General, as central authority, may find it necessary to circulate for the information of Member States are circulated by him as Chief Administrative Officer of the United Nations, and not as depositary. This difference is reflected in the form of the communications.