Last summer my wife and I traveled from Africa to the US with a 17 year old who is not our son. CBP at JFK never batted an eye. We are all US citizens.
Originally Posted by
MSPeconomist
It probably doesn't apply, but if your son wants to drive at all in the USA, an international license might be required.
Considering that the minimum age to drive in Norway is 18 (besides moped or tractor), he wouldn't have a driver's license.
