Originally Posted by
Zeehe
Does it make a difference whether I check-in, go airside, and use the lounge with one of my companions? If so (other than informing the gate as a courtesy as to not delay the flight), can and should I cancel my check-in, or will it make no difference for the tax refund?
If you check-in and then fail to board, I doubt they'll be so willing to give a refund on the taxes.
Better to not check-in at all, and then claim the tax back saying you were unable to make the trip.