如果是B2签证，会在I-94上写明合法停留时间，这个时间是边境官员给的。如果是F1，J1，停留时间应该是I-20或者是DS-2019决定的，这个时侯只要I-20或者DS-2019有效就可以停留，这种情况就会在I-94上写DS。不同国家或地区的美国使领馆或同一领事馆的不同领事，对签证的有效期或入境次数都有极大的酌处...
如果心怀不轨，拿着B2签，evus和入境时都说自己来旅行，而实际打算常驻或者访友，甚至工作什么的，个么...
Class of Admission: This corresponds to the visa type you used to enter America. In the below example, it is a B1 visa. Admit Until Date: This is the date when the passenger or user has to leave America. It is the expiry date of the status in the US and when they should depart ...
Your status is indicated on your admission stamp done at the Port of Entry and is reflected on the I-94 issued to you. It could be anything like F1, H1B, L1, B1/B2, etc. based on your primary purpose for entry and it will indicate the validity of the status. Your status is only ...