Originally Posted by
dav662
I have never seen it either and if airlines started counting DF items that strictly then most passengers would stop buying the DF and the airport revenues would be badly hit. Furthermore, the foreign carriers would not count them and the passengers would start to move to them too.
From BA's baggage rules: "
All duty free bags or airport purchases count as hand baggage so if you have more than your free allowance, your extra bags will be checked into the hold."