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What passport number should I use on the TM6 form when I have a new passport and an old passport with a 12-month extension?

Feb 9, 2025
4 months ago
Peter *******
ORIGINAL POSTER
Given the introduction TM6 new

Online Form what happens:

I obtain a new passport home. Then

trying to fill in the TM6 which passport no.

Do I enter old passport no. with 12 months extension or the new passport no w/o extension ?

Wbr

Peter jaeck
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TLDR : Answer Summary
When filling out the TM6 form after obtaining a new passport, it's recommended to use the new passport number for entry into Thailand. However, you should carry both the old and new passports with you and present them to the Thai Immigration Officer upon arrival. It's also important to be aware of the expiration date of your current extension of stay, which is documented in your old passport.
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 tdac.in.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 (https://tdac.agents.co.th)
Official TDAC information page by AGENTS (https://tdac.in.th)

Michael ********
Asking a question about something that may come in around May.
Bent *************
Nobody knows when it will start - except Buddha!
Tod *********
Just so we're clear NO ONE knows how it will work with the new TDAC (Thailand Digital Arrival Card) system will actually work.

There is nothing out there yet and the projected roll out date is May 1

Let's wait for the updates from the government

This is Feb and we're a LONG way from May when they want to roll this project out
James ********
You will be using the new passport to enter Thailand....use the New passport number on the TM6.

Carry BOTH OLD and NEW passports and show the Thai Immigration Officer upon arrival into Thailand. Double check the stamp placed in your passport on arrival.

Remember that you need a reentry permit to enter Thailand and save the current ending date of your one year extension of stay as retired now in your Old passport.
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