原产地规则直观地说,用以确定产品原产国的规则就是原产地规则。由于原产地规则可以影响国际贸易活动的很多方面,例如,配额关税优惠的管理,反倾销、反补贴的实施,所以世贸组织的《原产地规则协议》要求世贸组织成员保证它们的原产地规则必须是透明的,并不会对国际贸易造成限制、扭曲和干扰。它们必须一贯、统一、公平、合理地加以管理。它们必须建立在肯定的标准上。也就是说,它们应该表明哪些应该授予原产地证明,而不是表明哪些不授予原产地证明。有两点原因使原产地规则变得越发重要:第 The rules of origin intuitively state that the rules for determining the country of origin of products are rules of origin. As the rules of origin can affect many aspects of international trade activities, such as the management of quota tariff preferences, the implementation of anti-dumping and countervailing measures, the WTO’s Agreement on Rules of Origin requires WTO members to ensure that their rules of origin must be Transparency will not cause restrictions, distortions, or interference with international trade. They must be managed consistently, uniformly, fairly and reasonably. They must be based on positive criteria. That is, they should indicate which of the certificates of origin should be granted instead of indicating which of the certificates of origin are not granted. There are two reasons why rules of origin have become more important: