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United Nations - Office of Legal Affairs

Treaty Section
Acting Chief: Mr. Santiago Villalpando 

Core Functions:

Mr. Santiago Villalpando
Acting Chief

United Nations Headquarters
Room No. DC2-0520
New York, NY 10017

Fax: (+1)(212)963-3693
United Nations Treaty Collection
Treaty Section - Technical Assistance
United Nations Legal Technical Assistance Website
  • Analysing, registering, filing, recording and publishing treaties and other international agreements pursuant to Article 102 of the Charter;
  • Discharging the Secretary-General's depositary functions under multilateral treaties;
  • Issuing publications pursuant to Article 102 of the Charter and the related General Assembly Regulations, developing and maintaining an electronic database and information system to facilitate access to treaty information and providing advice and information on treaty law and related matters;
  • Collaborating in the drafting of final clauses of treaties and agreements concluded under the auspices of the United Nations;
  • Preparing studies on relevant Articles of the Charter for the Repertory of Practice of United Nations Organs.