An brief explanation of how "indirect materials" are considered when determining country of origin of a good. This article is part of "A Basic Guide to Exporting", provided by the U.S. Commercial Service, to assist companies in exporting.
Indirect Materials
Indirect materials are considered to be originating materials regardless of where they are produced. An indirect material is defined as a good used in the production, testing, or inspection of a good, but not physically incorporated into the good, or a good used in the maintenance of buildings or the operation of equipment associated with the production of a good.