border preclearance http://en.wikipedia.org/wiki/United_Sta ... eclearance The US has been doing this preclearance pre-clearance facilities предварительного таможенного контроля United States border preclearance pass through US Immigrations, in Ireland US Customs and Border Protection pre-clearance 美國境外邊檢 US Immigrations & Customs pre-clearance pre-clearance Preclearance US Customs and Border Patrol agents during preclearance предварительный таможенный контроль preclearance facilities United States border preclearance English Preclearance United States border preclearance 美国境外边检 https://en.wikipedia.org/wiki/... pre-clearance این صفحه ویکی پدیا Preclearance The US has been doing this preclearance US border preclearance http://en.wikipedia.org/wiki/United_Sta ... eclearance https://en.wikipedia.org/wiki/... preclearance Preclearance Facilities