by the United Nations, United Nations Security Council Resolution 457
“ 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 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 ”
