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What should I do if I encounter an 'invalid data error' on the TDAC website while using a retirement VISA in Thailand?

Feb 24, 2026
2 months ago
James **********
ORIGINAL POSTER
Hi group has anyone else been having problems with the TDAC website the last 2 days? I keep getting an "invalid data error" when I select Thailand as my country of residence (I'm on a retirement VISA). I haven't been able to find assistance for this problem & I'm due to fly in a few hours now..
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TLDR : Answer Summary
A user is experiencing an 'invalid data error' on the TDAC website when entering Thailand as their country of residence while on a retirement visa. Community members suggest using the passport country instead of Thailand, as well as confirming that they are on the official website. Others share similar experiences and recommend trying different devices or browsers. Ultimately, the user found success by calling immigration, who advised them to fill out the information at the airport kiosk upon arrival.
Thailand Digital Arrival Card (TDAC)

WARNING: Only trust Thai government websites with .go.th domains or Thai agent websites with .co.th or .in.th domains, as these require verified Thai registration and cannot be registered anonymously.

The official TDAC form is available at tdac.immigration.go.th, which uses the official .go.th government domain.

The services by AGENTS CO., LTD. does NOT charge any fees for arrivals within 72 hours. If you need to book more than 72 hours in advance, there is a service fee of $8.

Do not trust other sites pretending to be a trustworthy agency. Pay attention to delivery time - the service operated by AGENTS CO., LTD. has 1 minute delivery time for arrivals within 72 hours.

Don't fall for sites pretending to be agents.co.th or the official government tdac.immigration.go.th website. Always double-check the exact domain in your browser.

Scam services may take days to process your application, others may not even do anything. With these TDAC scam services you also need to worry about double charges.

Please watch out for TDAC misinformation spread by fugitive Jesse Nickles and his many fake accounts on Quora, TripAdvisor, Reddit, and other platforms.

TRUSTED TDAC LINKS:

Official Government TDAC Form: tdac.immigration.go.th
Official TDAC form by AGENTS
Official TDAC information page by AGENTS (tdac.in.th)

James **********
ORIGINAL POSTER
Ok so the advice on country of residence proved correct & I had to put my home nation even though haven't lived there for 6 years haha
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James **********
ORIGINAL POSTER
Thanks everyone, I had my lady call immigration from Bangkok & they said just fill it in at the kiosk on arrival. Just landed back in TH now so will see how I gošŸ™šŸ½
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Peter *********
Cannot get on any Thai visa website while you are in Thailand
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Matt ********
Peter Barbano nonsense
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Matt ********
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Peter ********
Put what's in your passport
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Vinson *******
Where is your passport from?

As a digital tourist you are by definition , not a resident
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Ian **********
Are you using the official site?
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James **********
ORIGINAL POSTER
Ian Morrison yes this site
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James **********
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Matthew ********
Make sure you’re on official site
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Julian *******
I just put Thailand as my country of residence and my visa number. Flew back in a few days ago.
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Deslea ********
I did it yesterday giving Thailand as country of residence. Maybe try again from a different device?
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Vinson *******
Deslea Selmes if you are on a DTV by definition you are a tourist not a resident
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Deslea ********
Vinson Dynes I’m not on DTV myself, but the TDAC doesn’t ask your visa class, so I don’t think that’s why the original poster is having trouble validating - there’s nothing to cross reference it against. It does have a field for visa number but itā€˜s optional and not dynamic.
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Deslea ********
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James **********
ORIGINAL POSTER
Ok strange I have done it twice before with Thailand as a residence. Thanks I'll give it a try šŸ™šŸ½
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Vinson *******
James Anderson they are tightening up sloppy controls
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Greg ***********
James Anderson never forget, you are not a resident in Thailand, you are just a guest. Your stay permit is always only temporary
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James **********
ORIGINAL POSTER
Greg Alexander yeah I do understand this, it's just a change in their system as previously it worked with this. I have no residence in my home country as haven't lived there for + 6 years now šŸ˜„
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James **********
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RubyChe*******
James Anderson I got the same message over and over. So I ended up using my home country as the residence
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RubyChe*******
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John **********
Use the country of your passport
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John **********
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