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Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country.〔(【引用サイトリンク】title=customs )〕 The movement of people into and out of a country is normally monitored by immigration authorities, under a variety of names and arrangements. The immigration authorities normally check for appropriate documentation, verify that a person is entitled to enter the country, apprehend people wanted by domestic or international arrest warrants, and impede the entry of people deemed dangerous to the country. Each country has its own laws and regulations for the import and export of goods into and out of a country, which its customs authority enforces. The import or export of some goods may be restricted or forbidden.〔Chowdhury, F. L. (1992) Evasion of Customs Duty in Bangladesh, unpublished MBA dissertation submitted to Monash University, Australia.〕 In most countries, customs are attained through government agreements and international laws. A customs duty is a tariff or tax on the importation (usually) or exportation (unusually) of goods. Commercial goods not yet cleared through customs are held in a customs area, often called a bonded store, until processed. All authorised ports are recognised customs areas. ==Red and green channels== In some countries, customs procedures for arriving passengers at many international airports and some road crossings are separated into red and green channels.〔() 〕 Passengers with goods to declare (carrying goods above the permitted customs limits and/or carrying prohibited items) go through the red channel. Passengers with nothing to declare (carrying goods within the permitted customs limits and not carrying prohibited items) go through the green channel. However, if a passenger going through the green channel is found to be carrying goods above the customs limits or prohibited items, he or she may be prosecuted for making a false declaration to customs, by virtue of having gone through the green channel. Australia, Canada, New Zealand, and the United States do not officially operate a red and green channel system; however, some airports copy this layout. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「customs」の詳細全文を読む スポンサード リンク
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