Originally Posted by
catandmouse
Of course what is amusing is having to go through passport checks at NCE or TLS on GVA-NCE or GVA-TLS flights The authorities don't understand that these are domestic French flights as they leave from the French sector in GVA. They're freely accessible from French territory (Ferney-Voltaire) and you have to go through (largely invisible) customs to get to the French sector from Geneva.
Sure. But what is different about that and having passport checks at CDG 2F when arriving from Marseille, Toulouse, Montpellier, Nice... domestic flights as well, and still they do passport controls.