The World Customs Organization (WCO) is an independent intergovernmental body whose mission is to enhance the effectiveness and efficiency of Customs administrations. More

Areas of cooperation between the Secretariat and WCO are, among others:

• The identification of Harmonized System Codes (HS codes) for chemicals or groups of chemicals listed in Annex III to the Rotterdam Convention through the the WCO Harmonized System Committee (HSC) and other related committees. More on the work related to the Rotterdam Convention.
• Activities aiming at preventing and combating the illegal traffic in hazardous chemicals and wastes under the Basel, Rotterdam and Stockholm conventions, e.g. through the Green Customs Initiative and other existing enforcement networks.

Other areas of collaboration with WCO can be found on the Synergies website.