the Privileges and Immunities of the United Nations approved by the General Assembly of the United Nations on 13 February 1946, as acceded to by the United States
(d) the expression "United Nations" means the international organization established by the Charter of the United Nations, hereinafter referred to as the "Charter";
(e) the expression "Secretary-General" means the Secretary-General of the United Nations.
Article II
THE HEADQUARTERS DISTRICT
Section 2
The seat of the United Nations shall be the headquarters district.
Section 3
The appropriate American authorities shall take whatever action may be necessary to assure that the United Nations shall not be dispossessed of its property in the headquarters district, except as provided in Section 22 in the event that the United Nations ceases to use the same, provided that the United Nations shall reimburse the appropriate American authorities for any costs incurred, after consultation with the United Nations, in liquidating by eminent domain proceedings or otherwise any adverse claims.
Section 4
(a) The United Nations may establish and operate in the headquarters district:
(1) its own short-wave sending and receiving radio broadcasting facilities, including emergency link equipment, which may be used on the same frequencies (within the tolerances prescribed for the broadcasting service by applicable United States regulations) for radio-telegraph, radio-teletype, radio-telephone, radio-telephoto, and similar services;
(2) one point-to-point circuit between the headquarters district and the office of the United Nations in Geneva (using single sideband equipment) to be used exclusively for the exchange of broadcasting programmes and inter-office communications;
(3) low power, micro wave, low or medium frequencies, facilities for communication within headquarters buildings only, or such other buildings as may temporarily be used by the United Nations;
(4) facilities for point-to-point communications to the same extent and subject to the same conditions as committed under applicable rules and regulations for amateur operation in the United States, except that such rules and regulations shall not be applied in a
