Originally Posted by
dechil
Extract of "Terms and conditions" of Flying blue program:
3.10 The Member or beneficiary of any Award is responsible for paying all applicable taxes, fees, levies and/or surcharges associated with the issue or use of an Award (...)
I'm not a lawyer, but I also have the firm understanding that any illegal business practice cannot be legitimized by allowing it per the T&Cs. Even if the fees are mentioned - if these charges can be proven prohibited by EU law that section wouldn't be worth anything.