Students should submit an application to the Foreign Affairs Office or the school for approval if they need to travel off campus to do research or collect information.

留学生校外教研活动；留学生因教学培养的需要赴外地从事调研或搜集资料活动时，必须向外事处或院系提出申请，经由导师、所在院系和留学生办公室批准后方可进行。

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To get one of the Nexus ID cards and zip through airports and other border crossings, all you have to do is fill out a detailed application at a designated airport and submit to an interview, iris scan and fingerprinting.

FORBES: Evidently Delta Never Got the Memo On America's Express Border Crossing Program