What happens if they don't stamp your passport?
What happens if they don't stamp your passport? What happens if the passport is not stamped has an easier answer than what it may seem. If travelers didn't get their passport stamped at the US port of entry, they do not need to do anything. However, if you want to know the entry record, you can access Form I-94, Arrival/Departure Record online.
What happens if customs denied entry?
If you have been denied entry with a visa, you have the right to: An exclusion hearing before a judge to determine your admissibility; An administrative appeal to the Board of Immigration Appeals; A judicial review or appeal of any, or all, of the above decisions.
How do you know if you have been flagged at the airport?
There are signs that will indicate you have been flagged for additional screenings: You were not able to print a boarding pass from an airline ticketing kiosk or from the internet. You were denied or delayed boarding. A ticket agent “called someone” before handing you a boarding pass.