https://www.cbp.gov/sites/default/files/documents/pnr_faq_3.pdf United States (U.S.) law requires airlines operating flights to, from, or through the United States
to provide the Department of Homeland Security (DHS), U.S. Customs and Border Protection
(CBP), with certain passenger reservation data, referred to as Passenger Name Record (PNR)
data, which assists CBP in securing the U.S. borders and facilitating safe and efficient
international travel. This practice has been widely accepted around the world and is increasingly
replicated by foreign border authorities, 美国(美国)法律要求航空公司提供乘客预订资料,到达,离开, 转机美国, 报告美国国土安全部(DHS),美国海关和边境保护局(CBP),称为乘客名称 记录(PNR)数据,帮助CBP确保美国边界,促进安全和有效的国际旅行。 这种做法在世界各地得到广泛接受,越来越多地被外国边界当局所复制,
别的国家就不知道了(大多和美国一样)。巴黎 海关 连 你到过的别的国家的飞机火车的信息都有-本人经验。
https://www.cbp.gov/sites/default/files/documents/pnr_faq_3.pdf
United States (U.S.) law requires airlines operating flights to, from, or through the United States
to provide the Department of Homeland Security (DHS), U.S. Customs and Border Protection
(CBP), with certain passenger reservation data, referred to as Passenger Name Record (PNR)
data, which assists CBP in securing the U.S. borders and facilitating safe and efficient
international travel. This practice has been widely accepted around the world and is increasingly
replicated by foreign border authorities,
美国(美国)法律要求航空公司提供乘客预订资料,到达,离开, 转机美国, 报告美国国土安全部(DHS),美国海关和边境保护局(CBP),称为乘客名称 记录(PNR)数据,帮助CBP确保美国边界,促进安全和有效的国际旅行。
这种做法在世界各地得到广泛接受,越来越多地被外国边界当局所复制,
不過,這樣組合購機票會便宜嗎?