Overview When you enter the U.S. on a nonimmigrant visa, such as on a visitor (B), student (F1), temporary worker visa (H-1B; L; E etc.), you are allowed to be present in the U.S. for a specific purpose and for a limited time period. The time period allowed will typically be stamped by a U.S. immigration inspector after the inspector has examined your passport and visa. The inspector will provide you with a Form I-94 (Arrival/Departure Record) which is normally a white card stapled inside your passport. This record should indicate when you must leave the U.S. When you leave the U.S. ...