Originally Posted by
The Lev
Interestingly, my sister can use her expired passport (along with her valid Canadian one) to enter Switzerland using the fast (EU+CH) lane. As the immigration person told her "one you are Swiss you are always swiss).
... and yes I realize it is her Canadian passport that is the valid ID in this situation.
Same for entering the UK Citizen channel. Expired UK passport still counts as long as you have another valid "Travel Document". Weird, but got essentially the same answer. I was half expecting to be turned around!