State responsibility — Nature and kinds of — For taking of, or interference with, property — Alleged expropriation of interests in a company — Claim under Iran-United States Claims Settlement Declaration, 1981 — Change in ownership of company — Whether constituting a change in control — The law and practice of the Iran- United States Claims Tribunal

Disputes — Arbitration — Procedure — Competence — Iran- United States Claims Settlement Declaration, 1981 — Jurisdiction over claim by dual national — The law and practice of the Iran- United States Claims Tribunal

The individual in international law — Nationality — Double nationality — Principle of dominant and effective nationality — Recognition of nationality — Claim by dual national under Iran-United States Claims Settlement Declaration, 1981 — Iran-United States Claims Tribunal — Jurisdiction — State responsibility — For alleged expropriation of interests in a company — Change in ownership of company — Whether constituting a change in control — The law and practice of the Iran-United States Claims Tribunal