Customs is responsible for administration of the following four areas. 　The Customs collects Customs duties and excise taxes including consumption tax levied on improt goods and tonnage dues levied on vessels engaged in foreign trade. In order to ensure correct taxation, the Customs also conducts post-entry audit by visiting importers premises. 　The Customs examines import or export goods and documents to ensure their compliance with Customs laws and other relevant laws and regulations. 　Law enforcement is one of the most important tasks for the Customs to protect our society through preventing anti-social goods and Customs fraud. The Customs conducts effective control and surverillance over the vessels, airacrafts, commercial goods and travellers' baggage. 　Customs grants authorization to set up "Hozei Area" (Bonded area) which is used for facilitating import or export procedures and thus to promote foreign trade. Customs officers also supervise the facilities and control the goods brought in or taken out of Hozei area.