Code of Federal Regulations Title 19. Customs Duties § 19.102.11 General rules

(1) The good is wholly obtained or produced;

(2) The good is produced exclusively from domestic materials;  or

(3) Each foreign material incorporated 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.

(1) The country of origin of the good is the country or countries of origin of the single material that imparts the essential character to the good, or

(2) If the material that imparts the essential character to the good is fungible, has been commingled, and direct physical identification of the origin of the commingled material is not practical, the country or countries of origin may be determined on the basis of an inventory management method provided under the appendix to part 181 of this chapter.

(1) If the good was produced only as a result of minor processing, the country of origin of the good is the country or countries of origin of each material that merits equal consideration for determining the essential character of the good;

(2) If the good was produced by simple assembly and the assembled parts that merit equal consideration for determining the essential character of the good are from the same country, the country of origin of the good is the country of origin of those parts;  or

(3) If the country of origin of the good cannot be determined under paragraph (d)(1) or (d)(2) of this section, the country of origin of the good is the last country in which the good underwent production.