海关

Central American Tariff and Customs Council

European Customs Union Study Group

European Economic and Customs Union

International Association for Customs Duty Reforms

Nordic Customs Union

Permanent Secretariat of the South American Agreement on Narcotic Drugs and Psychotropic Substances

Sistema Latinoamericano de Capacitación e Investigación Aduaneras

Tariff Union of Balkan and Near East Countries

Union douanière et économique de l'Afrique centrale

West African Customs Union

Zollverein

Additional Protocol to the Agreement on the Temporary Importation, Free of Duty, of Medical, Surgical and Laboratory Equipment for Use on Free Loan in Hospitals and other Medical Institutions for Purposes of Diagnosis or Treatment