Protocol and Liaison Service


Please note that the Protocol and Liaison Service has switched to electronic submission of documents for all business processes. Please do not submit paper documents, forms or original passports. Additional information can be found here… 


The Protocol and Liaison Service within the Department for General Assembly and Conference Management (DGACM) serves the protocol needs of the Secretariat, including those of the Secretary-General, the Deputy Secretary-General and the President of the General Assembly. It also interfaces with the Permanent Missions and Observer Offices to the United Nations as well as with the liaison offices of the specialised agencies and related organizations stationed in New York. The Service applies an orderly, uniform set of rules and governing codes of behaviour in diplomatic forums, meetings and ceremonies involving missions/observers and their representatives. To learn more, see our About page.



United Nations, New York. (UN Photo/Mark Garten)


Contact information

405 East 42nd Street, Room S-0200, New York, NY 10017 
Protocol General Tel: (212) 963-7171, (212) 963-7172
Registration to UN Meetings Tel: (212) 963-7181

09:30 a.m. to 12:00 p.m.
03:00 p.m. to 05:30 p.m.

Please, click here to send us a message.

Notes verbales

  • NV-2022 Oceans Conference - Information regarding the 2022 United Nations Conference to Support the Implementation of Sustainable Development Goal 14: Conserve and sustainably use the oceans, seas and marine resources for sustainable development, which will take place from 27 June to 1 July 2022 in Lisbon, Portugal
  • Kindly note that pre-registration for this conference ended on 14 June. There will be no extensions to this deadline.

  • The fax number for the Registration Center in Lisbon is +351-210-442-627. The number will be activated on 22 June 2022.

  • NV-Flag Verification 2022 - Information regarding the verification of the flags of Member States and Observer States