一、简介世贸组织保障措施制度 (一)源头“保障措施”,亦称“免责条款”、“例外条款”或“保障条款”,是国际贸易协定中常见的一种条款。这种条款体现了条约法中的“情势变更原则”,其可以使缔约方在特殊情况下免除其承诺的义务或协定所规定的行为规则,从而对因履行协定所造成的严重损害进行补救或避免严重损害威胁可能产生的后果。 I. INTRODUCTION THE WTO SYSTEM OF SUPERVISION MEASURES 1. The source of “safeguards,” also known as “disclaimers,” “exceptions” or “safeguards,” is a common clause in international trade agreements. Such clauses reflect the “principle of change of circumstances” in the law of treaties which allows contracting parties to waive their promised obligations or the rules of conduct under special agreements in exceptional circumstances in order to remedy the serious damage caused by the performance of the agreement or Avoid possible consequences of serious damage to the threat.