Resolution 457 (1979)
of 4 December 1979
The Security Council, Having considered the letter from the SecretaryGeneral dated 25 November 1979,95

to report urgently to it on developments regarding his efforts.
Adopted unanimously at the 2178th meeting.

Deeply concerned at the dangerous level of tension between Iran and the United States of America, which could have grave consequences for international peace and security,
Recalling the appeal made by the President of the Security Council on 9 November 1979,92 which was reiterated on 27 November 1979 (S/13652),96
Taking note of the letter from the Minister for Foreign Affairs of Iran dated 13 November 197997 relative to the grievances of Iran,
Mindful of the obligation of States to settle their international disputes by peaceful means in such a manner that international peace and security, and justice, are not endangered,
Conscious of the responsibility of States to refrain in their international relations from the threat or use of force against the territorial integrity or political independence of any State, or in any other manner inconsistent with the purposes of the United Nations,

Decisions
At its 2182nd meeting, on 29 December 1979, the Council decided to invite the representatives of Australia, Canada, the Federal Republic of Germany and Singapore to participate, without vote, in the discussion of the item entitled "Letter dated 22 December 1979 from the Permanent Representative of the United States of America to the United Nations addressed to the President of the Security Council (S/13705)". 93
At its 2183rd meeting, on 30 December 1979, the Council decided to invite the representative of Japan to participate, without vote, in the discussion of the question.

Reaffirming the solemn obligation of all States parties to both the Vienna Convention on Diplomatic Relations of 1961 98 and the Vienna Convention on Consular Relations of 196399 to respect the inviolability of diplomatic personnel and the premises of their missions.

Resolution 461 (1979)
of 31 December 1979

1. Urgently calls upon the Government of Iran to release immediately the personnel of the Embassy of the United States of America being held at Teheran, to provide them with protection and to allow them to leave the country;
2. Further calls upon the Governments of Iran and of the United States of America to take steps to resolve peacefully the remaining issues between them to their mutual satisfaction in accordance with the purposes and principles of the United Nations;
3. Urges the Governments of Iran and of the United States of America to exercise the utmost restraint in the prevailing situation;
4. Requests the Secretary-General to lend his good offices for the immediate implementation of the present resolution and to take all appropriate measures to this end;
5. Decides that the Council will remain actively seized of the matter and requests the Secretary-General
95 Ibid., document S/ 13646. 961bid., Thirty-fourth Year, 2172nd meeting. 97 Ibid., Supplement for October, November and December 1979, document S/13626. 98 United Nations, Treaty Series, vol. 500, p. 95. 99 Official Records of the United Nations Conference on Consular Relations (United Nations publication, Sales No. 64.X.l), p. 173.

The Security Council,
Recalling its resolution 457 (1979) of 4 December 1979,
Recalling also the appeal made by the President of the Security Council on 9 November 1979,92 which was reiterated on 27 November 1979 (S/13652), 9n
Gravely concerned at the increasing tension between the Islamic Republic of Iran and the United States of America caused by the seizure and prolonged detention of persons of United States nationality who are being held as hostages in Iran in violation of international law, and which could have grave consequences for international peace and security,
Taking note of the letters from the Minister for Foreign Affairs of the Islamic Republic of Iran dated 13 November 197997 and 1 December 1979100 relating to the grievances and statements of his Government on the situation,
Recalling also the letter from the Secretary-General dated 25 November 197995 stating that, in his opinion, the present crisis between the Islamic Republic of Iran and the United States of America poses a serious threat to international peace and security,
100 Official Records of the Security Council, Thirty-fourth Year, Supplement for October, November and December 1979, document S/ 13671.

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