19 CFR § 10.1017
Accumulation
July 16, 2020
(a) Originating goods or materials from the territory of one Party, incorporated into a good in the territory of the other Party will be considered to originate in the territory of that other Party.
(b) A good that is produced in the territory of one or both of the Parties by one or more producers is an originating good if the good satisfies the requirements of §10.1014 of this subpart and all other applicable requirements of General Note 33, HTSUS.