基本就是護照,涉及出入他國所必備的文件是旅客自己的責任,巴士公司只是大致上看一下。參見: 10.3 Each passenger must provide the driving or the service personnel with the necessary travel documents for cross-border traffic prior to each trip with a long-distance bus. This is subject to cursory checks by the driving or the service personnel. 10.4 FlixBus reserves the right to refuse boarding to the passenger if they cannot provide any travel documents according to Section 10.2.1. https://global.flixbus.com/terms-and-conditions-of-carriage
10.3 Each passenger must provide the driving or the service personnel with the necessary travel documents for cross-border traffic prior to each trip with a long-distance bus. This is subject to cursory checks by the driving or the service personnel.
10.4 FlixBus reserves the right to refuse boarding to the passenger if they cannot provide any travel documents according to Section 10.2.1.
https://global.flixbus.com/terms-and-conditions-of-carriage