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Answereda year ago

What should I do if I forgot to enter my DTV visa number on the TDAC before flying to Bangkok?

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Anonymous *************
asked May 5, 2025
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I created my TDAC as I'm flying back to BKK tomorrow and I forgot to enter my DTV visa number. There's a link to update the TDAC if there is an error but the link isn't working; I'm getting a server not found error. What should I do - keep trying? Create another one? Just explain what happened to the immigration officer in BKK?
Answer summary
If you forgot to enter your DTV visa number on the TDAC, rest assured that it is an optional field and not mandatory. You can simply leave it blank, as immigration officers are unlikely to check it. Upon landing in Bangkok, if you encounter any issues, you can address them at one of the terminals where assistance is available. Alternatively, if you wish to create a new TDAC, you can try that, but it's generally unnecessary.
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Elías ********
Elías ********
File a new one?
Anonymous ******************
Anonymous ******************
@Elías *******
are you asking the person who’s actually asking for advice ? 🤣
Elías ********
Elías ********
Participante anónimo 381 I was suggesting a non-verified alternative. For the Korean K-ETA or Canada ESTA (or whatever the name was, I can't remember) the instructions mention that if something that can't be modified is wrong, like name or passport number, etc., you need to file a new one. I haven't filed any TDAC yet, tho.
Anonymous ******************
Anonymous ******************
@Elías *******
You put a question mark on the end turning it into a question.
Anonymous *************
Anonymous *************
OP
Anonymous participant 381 I went to file a new one and didn’t know there was a button on that website where I could update one I’d already done. The button worked fine. I did the update the hotel printed it. I’m on my way.
Elías ********
Elías ********
Participante anónimo perfect
Tod *********
Tod *********
The visa number is NOT a mandatory field

It is 100% OPTIONAL 😉

Only the fields with the red asterisks are mandatory

Leave it blank no one will care at passport control at all

Notice it has no red asterisks 🙂
Greg ********
Greg ********
You can do it upon landing. They have terminals with helpers. I flew in Saturday but completed TDAC online. They did not even want to see it on my phone as it is all tied to your visa number they have on screen. If yiu cannot fix yourself go to one of the terminals upon landing.

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