Database info

The most important databases within the UNTC are:

• United Nations Treaty Series (UNTS): Contains the texts of bilateral and multilateral treaties, along with subsequent actions, in their authentic languages. Where applicable, translations into English and French are provided.
• Status of Multilateral Treaties Deposited with the Secretary-General: This database offers detailed information on the status of key multilateral instruments deposited with the Secretary-General of the United Nations. It consolidates all treaty actions, including signatures, ratifications, accessions, denunciations, notifications, reservations, declarations, and objections related to these treaties.
• League of Nations Treaty Series: Contains the texts of treaties and records of subsequent treaty actions from the League of Nations (1920-1944).
• Deposited Notifications by the Secretart-Generlal: .These are official communications issued by the UN Secretary-General as the depositary of treaties. They are notifications sent to all parties involved in a treaty.
  Notifications may include information on treaty developments, such as when a treaty enters into force or when a state makes a reservation or withdrawal.

Guides & training

Web User Guide

Treaty Reference Guide This Reference Guide seeks to provide a basic – but not an exhaustive – overview of the key terms employed in the United Nations Treaty Collection, such as treaties, agreements, conventions, charters, protocols, declarations, memoranda of understanding, modus vivendi and exchange of notes. 

Glossary of terms relating to Treaty actions 

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