"Then there is no way of restoring at the airport."
IIRC, the border agent has the power to turn you back, visa or no visa. So there might be a price to pay for getting too cute. They want what they want and trying to avoid that might make them angrier.
If you are a US citizen they can make you wait in a room for a few hours and maybe add your name to the "make his life miserable every time he flies" list.
IIRC, the border agent has the power to turn you back, visa or no visa. So there might be a price to pay for getting too cute. They want what they want and trying to avoid that might make them angrier.
If you are a US citizen they can make you wait in a room for a few hours and maybe add your name to the "make his life miserable every time he flies" list.