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United Nations - Office of Legal Affairs

Treaty Section - Technical Assistance
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  • Pursuant to Article 102 of the Charter, the Treaty Section reviews, registers and publishes all treaties and other international agreements in the United Nations Treaty Series and in discharging the Secretary-General's depositary functions, publishes the “Multilateral Treaties Deposited with the Secretary-General;”
  • In order to facilitate access to treaty information, maintains an electronic database and information system, including the UN Treaty Collection on the Internet; and
  • Provides advice and information on treaty law and related matters to Member States, Specialized Agencies to the United Nations and the Secretariats of Multilateral Conventions deposited with the Secretary-General of the United Nation.
  • Assistance:

  • Advice and assistance on the treaty information maintained by the Section;
  • Advice and assistance on treaty law and practice, in particular, on final clauses;
  • Advice and assistance on becoming party to multilateral treaties, including signature, ratification, accession etc; and
  • Advice and assistance with the electronic collection, storage and retrieval of national treaty collections, using the UN Treaty Collection on the Internet as a model.
  • Tools:

  • Treaty Handbook (Arabic version, Chinese version, English version, French version, Russian version, Spanish version)
  • Summary of Practice of the Secretary-General as Depositary of Multilateral Treaties
  • Repertory of Practice of the United Nations Organs (Articles 102,110 and 111)
  • Regulations to give effect to Article 102 of the Charter of the United Nations, as amended
  • Limited Publication Policy
  • Treaty Reference Guide
  • OLA/UNITAR Training Seminars 
  • Contact:

    Treaty Section
    Tel: (212) 963-5047
    Fax: (212) 963-3693
    Contact: Treaty Section

    Substantive Legal Issues:
    Arancha Hinojal-Oyarbide
    Tel: (212) 963-3838

    Technical/Legal Issues:
    Andrei Kolomoets
    Tel: (212) 963-5478