What to prepare
- Passport
- Arrival date and final transport number
- Country where the service to Thailand was boarded
- Travel purpose
- Full Thai accommodation address
- Countries visited during the previous two weeks
- Email address
How to complete TDAC for Thailand
The original field name appears first, followed by its meaning and a practical completion tip.
Family Name / First Name / Middle Name
Use passport spelling and follow the form guidance for absent names.
Nationality / Citizenship
Use the passport nationality.
Date of Birth / Sex
Verify OCR-filled values after scanning.
Passport Number
Enter without extra symbols or spaces.
Date of Arrival
Enter the actual entry date.
Country/Territory where you Boarded
The country where the final service to Thailand was boarded.
Mode of Travel / Flight No.
Choose Air, Land or Sea and enter the service number.
Purpose of Travel
Select Holiday for leisure.
Accommodation Type / Address
Enter the property, province, district, sub-district and postcode.
Countries Visited within Two Weeks
Include stays and transit countries.
Email Address
The card and QR code are sent here.
After submission
Keep TDAC and its QR code throughout the trip. Details can be updated before arrival using the TDAC number, birth date and nationality, but name, nationality and birth date cannot be edited.
Common mistakes
Wrong arrival flight number
Enter the final flight that arrives in your destination country, not the first flight in your itinerary.
Details do not match the passport
Copy names, document numbers and dates exactly as shown in the passport, using the required writing system.
Submitting outside the filing window
Check the permitted filing window for the destination and do not submit the form too early.
Using an intermediary website
Compare the portal address with the official link before entering your details, as third-party services may charge extra fees.
Questions and answers
Who needs TDAC?
All non-Thai entrants by air, land or sea; airside transit without immigration clearance is exempt.
When can it be submitted?
Within three days before arrival, including arrival day.
Do children need TDAC?
Yes, including infants; a group submission may contain up to 10 travellers.
Can an error be corrected?
Most details can be updated before arrival, but name, nationality and birth date cannot.
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