A Concordance Between Ten-Digit U.S. Harmonized System Codes and SIC/NAICS Product Classes and Industries.

The article discusses various approaches that can enhance the existing data used in foreign trade and local economic activity. It mentions an algorithm that results to concordance between the harmonized system (HS) to classify products in the U.S. foreign trade and manufacturing production. It says adds that HS classification, designed by the World Customs Organization (WCO), are separated for import and export products.