I just want to share my good experience today at Hua Hin Immigration Office. 1.5 hours for transfering the old stamps in my old Swiss passport into the new passport, For yearly Visa renewing with TM 7 and TM 8 forms. And - I did not even ask for - they made an automatic 90 days report. Good Service!
TLDR : Answer Summary
A user shares a positive experience at the Hua Hin Immigration Office, where the transfer of old visa stamps from a Swiss passport to a new one took only 1.5 hours. The process included renewing a yearly visa using TM 7 and TM 8 forms, and the office also provided an automatic 90-day report without being asked.