Claims — Nationality of claims — Companies — Iran-United States Claims Settlement Declaration, 1981 — Requirement that claimant company be a United States corporation — Whether United States corporation entitled to present claim on behalf of foreign subsidiary

Expropriation — Definition — Nationalization — Whether nationalization of entire industry within concept of expropriation — Requirement of compensation in case of lawful nationalization — Whether Iran-United States Treaty of Amity, Economic Relations and Consular Rights, 1955, applicable — Whether Treaty differing from customary international law

International tribunals — Iran-United States Claims Tribunal — Jurisdiction — Nature of claims — Claims before Iran-United States Claims Tribunal not claims of diplomatic protection