Question related to Chiang Mai immigration office. Do I have to be a lemming and get at the immigration at 4 in the morning to transfer my visa from my old passport to my new passport? Or do they have a different service for this? Thanks
TLDR : Answer Summary
To transfer your visa from an old passport to a new one at the Chiang Mai immigration office, you do not need to arrive at 4 AM. It's suggested to go around 10:30-11:00 AM. They will not transfer the visa itself but will note your previous visa in the old passport and transfer the 'admitted until' stamp or 'extension of stay' stamp. It's important to have a letter from your consulate confirming you received a new passport.