Rules of origin are used to determine the country of origin of a product for purposes of international trade. Rules of origin(ROOs) are used to define which products may qualify for preferential tariff rates under a trade agreement. Country of origin rulings can be quite complex. There are many rules about rules of origin, and including "substantially transformed". The reason why the rules of origin is so complicate is many rules concerned and the different general guidance(Free Trade Agreement) on how to locate the relevant rules of origin under FTA's countries.
This paper provides a general overview of the USA and EU ROOs system, including its implementation as it applies to manufactured imports. Also, This paper is to conduct comparative analysis on rules of origin.
In this paper, we are willing to provide the implications for the rules of origin against in Aaia major countries's FTA(South Korea, China, Japan) in the future.