Interpretive Awards in Iranian and International Arbitration Law: Lessons from the Iran-United States Claims Tribunal

Document Type : Original Article

Authors

1 Associate Professor, Department of Private Law, Faculty of Law and Political Science, University of Mazandaran, Babolsar, Iran

2 Assistant Professor, Department of Private Law, Faculty of Law and Political Science, University of Mazandaran, Babolsar, Iran

3 Master’s Student in Private Law, Faculty of Law and Political Science, University of Mazandaran, Babolsar, Iran.

Abstract

Notwithstanding the explicit provision for interpretive awards under Article 32 of Iran’s Law on International Commercial Arbitration, their application in domestic arbitration remains contentious. However, their existence may be inferred from instruments such as Article 9 of the 2022 Arbitration Fee Regulations. The absence of a comprehensive definition for interpretive awards has perpetuated conceptual confusion and facilitated their misuse as substitutes for revision procedures—a problematic tendency that, when considered alongside the significant benefits of properly utilized interpretive awards, underscores the critical importance of precisely understanding this legal mechanism. Interpretive awards must be conceptualized within established legal frameworks including res judicata and functus officio. Crucially, such awards address only those ambiguities arising from either drafting deficiencies or divergent party interpretations, rendering them fundamentally distinct from supplementary or corrective awards. In international law, interpretive awards appear in various instruments including the 1976 UNCITRAL Rules (which govern the Iran-U.S. arbitration agreement). International practice demonstrates that valid interpretation requests must satisfy specific criteria: (1) demonstration of genuine ambiguity; (2) pursuit of clarification rather than substantive modification; (3) direct relevance to the award’s scope; and (4) grounding in established factual circumstances. Proper requests should additionally include: (a) the ambiguous text; (b) explanation of the ambiguity; and (c) the parties’ conflicting interpretations. The jurisprudence of the Iran-U.S. Claims Tribunal confirms that failure to meet these requirements has resulted in uniform rejection of interpretation requests.

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Iranian Journal of International and Comparative Law
Volume 2, Issue 2
December 2024
Pages 89-114

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