In Reply to: Tricky question re Duty Free posted by bunbury gal on Wednesday, 25. March 2009 at 22:25 Bali Time:
I doubt that they will be asked for age ID (passport) as they go through customs. It will be in their carry on so there should be no chalk marks on their bags so no reason for customs to stop them. The only question they are likely to be asked is how much alcohol they are bringing in.
Cheers,
David