I-94, For How long I am allowed to stay in the U.S. with a visa or under the Visa Waiver Program?
What is the form I-94 or I-94W Arrival-Departure Record?
How do I know until what date I am allowed to stay inside the US.?
I forgot to return my I-94 Departure Record when exiting the U.S., how can I return it to the U.S.?