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What is the importance of filling out the TDAC form before entering Thailand?

May 3, 2025
a day ago
FYI!!

Please make sure to fill out the TDAC form before entering Thailand.

Today (May 2) at Suvarnabhumi, they only asked me to show the passport and TDAC—nothing else was questioned. All they said was "Oh you hold DTV. Enjoy and don't forget to fill TDAC next time too."

If you haven’t filled it out online before reaching immigration, they’ll ask you to do it first. Quite a lot of people hadn’t completed the TDAC form. It seems like the line at the TDAC filling area is even longer than at immigration.
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TLDR : Answer Summary
The TDAC (Thailand Digital Arrival Card) is essential for travelers entering Thailand, as demonstrated by a recent experience at Suvarnabhumi Airport where only the passport and TDAC were checked during immigration. It is advisable to complete the TDAC form online prior to arrival to avoid delays, as many travelers seem unprepared. The process is streamlined compared to the old paper forms, taking under five minutes to complete, and helps speed up immigration procedures.
Thailand Digital Arrival Card (TDAC)
Anonymous ******************
FYI use the search, you’ll see this has already been posted
Anonymous ******************
So we need to fill out the digital arrival card before we go through immigration in Thailand. Thanks so much for sharing this ground breaking news 😅
Anonymous ******************
I am at BKK now. Transferred from International to Domestic airside.

Handed over passport and said I have TDAC in phone. Immigration Officer said "No need". It must be on system when she pulled up my visa etc
Anonymous ******************
It’s such a such a simple form to fill out. Literally takes 3 mins to complete. I think it’s a step in the right direction, much better than the old paper arrival cards!
Chris *********
Anonymous participant 271 for 3 years there was no cards no dtac no problems, was better before.
Sagi *********
In the tdac you mentioned you have dtv or how do they know?
Anonymous *************
ORIGINAL POSTER
@Sagi ********
you have to enter your visa number
Charles **********
So you didn't even fill out TDAC?
Anonymous ******************
@Charles *********
I completed mine bit IO did not even want to see it. It must all be on system in front of them.