Box XIII.11 Relationship between HS, the European Union Combined Nomenclature and other international classifications relevant to trade statistics

The following schema illustrates how various international, European and national classifications relevant to trade statistics relate to each other.  Each arrow indicates a relationship between a reference classification and a derived classification (to which it points).  Solid arrows indicate classifications linked by structure.  Dotted arrows and lines indicate classifications linked through conversion tables.


ISIC: International Standard Industrial Classification of all Economic Activities
NACE: Statistical Classification of Economic Activities in the European Community
CPC: Central Product Classification
CPA: Classification of Products by Activity
HS: Harmonized Commodity Description and Coding System
CN: Combined Nomenclature
SITC: Standard International Trade Classification
PRODCOM: Classification of goods used for collection and dissemination of statistics on industrial production in the European Union.