The Harmonized System (HS) is used by more than 200 countries and economies as a basis for their Customs tariffs and for the collection of international trade statistics. It is also used for many other purposes, including for the monitoring of controlled goods, as a basis of rules of origin and for trade negotiations, and it is a vital element of core Customs controls and procedures.
This publication contains the list of countries, territories or customs or economic unions applying the HS.