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What additional forms or reporting are required for a 6-month stay in Thailand?

Sep 24, 2025
2 months ago
Derrick *********
ORIGINAL POSTER
Just adding a data point. Arrived in BKK, we had to fill out TDAC, the TDAC asked for leave date and airline flight, we picked a random one about 6 months from now and filled that in. When we went continued through immigration and got stamped no questions were asked, we simply gave them our A1 printed out visas and was stamped for 6 months.

Is there any additional forms, or reporting needed on our end if we plan on staying 6 months?
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TLDR : Answer Summary
Upon arrival in Thailand, you filled out the TDAC form and received a 6-month stamp on your A1 visa without any issues. It was noted that departure information on the TDAC is optional and not checked. To stay in Thailand for 6 months, your accommodation provider must file a TM30 report upon your arrival, and you are required to submit a TM47 (90 Day Report) at your local immigration office every 90 days.
90 DAY REPORTING RESOURCES / SERVICES
  • Use the trusted Thailand 90 Day Reporting Service to get your in-person report done and mailed to you for as low as 375 THB (even if the online system doesn't work for you).
  • For immediate assistance, contact Thai Visa Centre directly via LINE at @ThaiVisaCentre or Email them.
  • Join the Thai Visa Advice Facebook Group to ask your questions, and get advice from others.
Winston ************
A1? Are you sure about that? That's like half the height of a man.
Brandon ************
Departure information is optional. You can leave it blank.

No one checks anything you put on the TDAC. It's just a data entry system.

You need the place where you're staying to file a TM30 when you arrive.

You'll also have to do a 90 day report at your local immigration office anytime you're in Thailand for 90 collective days. You may need a copy of your TM30 for that.
Greg ********
Your landlord, hotel etc has to do TM30 and you have to do TM47 (90 Day Report)