University of Qom Iranian Journal of International and Comparative Law 2980-9282 2 2 2024 12 01 The Role and Position of the Principle of Good Faith in the Iran-United States Claims Tribunal 76 88 3256 10.22091/ijicl.2025.11893.1114 EN Morteza Shahbazinia Department of Private Law, Faculty of Law, Tarbiat Modares University, Tehran,Iran 0000-0002-8659-4684 Mohammad Javad Zolghadr Ph.D. student of private law - Tarbiat Modares University, Tehran, Iran 0009-0002-6972-9687 Seyyed Mohammad Amin Alavi Shahri Ph.D. student of International Trade and Investment Law - Tarbiat Modares University 0009-0009-8430-045X Journal Article 2024 12 13 bodies in history. The arbitrators of this institution have referred to general principles of law, citing Article 5 of the Claims Settlement Declaration, in various cases for decision-making. Among the general principles of law, if not the most important, undoubtedly one of the most important principles is the principle of good faith. This principle plays a significant role in ensuring justice and fair adjudication. The present study, using library and documentary sources and a descriptive-analytical method, examines the role and status of the principle of good faith in the Iran-United States Claims Tribunal. The research findings show that the tribunal, recognizing the importance and role of the principle of good faith in ensuring justice and fair adjudication, has referred to and established a bridge between the two legal systems of Iran and the United States in various procedural and substantive instances. The principle of good faith has played an important role in the tribunal. https://ijicl.qom.ac.ir/article_3256_203b6895f3346132de26f0ee9bdf1f67.pdf