I’m wondering if you hit unlucky with that particular vet? A few people have posted on Facebook about getting a pet passport at that practice with no need for a French address.Vet was very surprised to be asked re passport. and went to some lengths explaning the bureaucracy involved especially with I- cad- he’d have no qualms at all I reckon if you could give an address- any friends address in France so maybe not scrap it but with a warning!!