Aliens — Expulsion — Whether alien expelled or left voluntarily because of political situation — Discretion of host State to order expulsion of alien from its territory — Limits of discretion — Minimum international standards — Departure of United States citizens from Iran during Iranian Revolution — Actions of Iranian Revolutionary Guards — Whether imputable to Iran — Whether violating minimum standards

International tribunals — Iran-United States Claims Tribunal — Jurisdiction — Claims regarding property — Expulsion of alien from Iran — Whether liable to affect property rights — Whether claim in respect of expulsion within jurisdiction of Tribunal — Procedure — Interim award — Request by United States for interim award regarding expulsions of United States citizens from Iran — Decision that interim award inappropriate

State responsibility — Imputability to the State of acts of groups not formally recognized — Iranian Revolutionary Guards — Status during early period of Iranian Revolution — Whether Revolutionary Guards to be treated as agents of State — The law of the Iran-United States Claims Tribunal