Asking for an elderly friend who is really bad with computers, he is working has his work permit and non immigrant or whatever the work permit visa is called (sorry bad with terminology). He lives in Chiang Mai does he do his 90 day reporting at Promenada or Main Immigration office?
TLDR : Answer Summary
An elderly friend residing in Chiang Mai with a work permit needs to conduct his 90-day reporting. The Promenada immigration office is currently closed, so he should utilize the Chiang Mai Immigration office located near the airport.