A brief overview of the rules of origin calculation under the Chile, Singapore, CAFTA-DR, Peru, Colombia, Korea and Panama free trade agreements. This information is part of "A Basic Guide to Exporting", provided by the U.S. Commercial Service, to assist companies in exporting.
Chile, Singapore, Australia, CAFTA-DR, Peru, Colombia, Korea, and  Panama FTAs

Apply the buildup rule (the total value of the originating materials must be greater than 35 percent) or the builddown rule (the subtracted value of the non-originating materials must be greater than 45 percent).