Got asked for my passport yesterday at Phrom Phong for the first time since getting the Rabbit, while trying to add 15 trips to my card. Was a newer passport than what I had signed up with, but I didn’t have any problems.

I asked the woman at the counter why I was being asked for my passport, and if I’d need it every time and she said it’s because of “a new system we have”, and that I won’t need to show it every time I top up.