Arbitration — Arbitrators — Voluntary withdrawal of arbitrator after hearing of case — Arbitrator not participating in final adoption of award — Arbitrator not signing award — Whether absence prevents tribunal from adopting valid and binding award

Arbitration — Jurisdiction — Iran-United States Claims Settlement Declaration, 1981 — Claims arising out of contract — Contract allegedly governed by Iranian law — Whether within sole jurisdiction of Iranian courts — Whether claimant proved to be a United States national — Whether respondents proved to be government-controlled entities

Arbitration — Applicable law — Claims for breach of contract — Whether international tribunal bound by national statute of limitations — Whether statute of limitations relevant in determining whether claimant has been guilty of unreasonable delay

International tribunals — Iran-United States Claims Tribunal — Composition — Jurisdiction — Procedure