Country of origin (COO) represents the country or countries of manufacture, production, design, or brand origin where an article or product comes from. For multinational brands, COO may include multiple countries within the value-creation process.
There are different rules of origin under various national laws and international treaties. Country of origin labeling is also known as place-based branding, the made-in image or the “nationality bias.”
Base on 19 CFR, The country of origin of a good is the country in which
(1) The good is wholly obtained or produced;
(2) The good is produced exclusively from domestic materials; or
(3) Each foreign goods in that good undergoes an applicable change in tariff classification set out in 102.20 and satisfies any other applicable requirements of that section, and all other applicable requirements of these rules are satisfied