Hi i just have question do i still need my tm6 to apply for extension visa? What if i lost it how to get a new one or request a new one? Coz the hotel i stay they will notify the immigration wer i stay but the thing is in system they asking for tm6 no. But ithink i lost it pls advise me how to get new one. Lookinh forward in advance for ur advise.
TLDR : Answer Summary
Yes, you generally need your TM6 (departure card) to apply for a visa extension in Thailand. If you have lost your TM6, you should file a police report and then visit your local immigration office to request a new one.