Headquarters of the United Nations be sent by courier. The United Nations Postal Administration issues stamps, which must be used on stamped mail sent from the building. For award purposes, amateur radio operators consider the UN headquarters a separate "entity" under some award programs such as DXCC. For communications, UN organizations have their own internationally recognized ITU prefix, 4U. However, only contacts made with the UN Headquarters in New York, and the ITU count as separate entities. Other UN organizations such as the World Bank count for the state or country they are located in. The UN Staff Recreation Council operates amateur radio station 4U1UN,
Headquarters of the United Nations Norway and was designed by the Norwegian architect Arnstein Arneberg. The oil canvas mural depicting a phoenix rising from its ashes by Norwegian artist Per Krogh hangs at the front of the room. The 39-story Secretariat Building was completed in 1952. It houses offices for the Secretary General, the Under-Secretary-General for Legal Affairs and United Nations Legal Counsel, the Under-Secretary-General for Political Affairs and Office of Disarmament Affairs, and the Department for General Assembly and Conference Management (DGACM). The library was founded with the United Nations in 1946. It was originally called the United Nations Library, later the United Nations