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Do I need a TDAC to enter Thailand? (2026 Guide)
If you are planning to travel to Thailand, you may be wondering whether you need to complete a TDAC.
The Thailand Digital Arrival Card (TDAC) is a mandatory online form required for all foreign travelers entering Thailand, regardless of nationality or visa status.
Introduced in 2025, it replaces the previous paper arrival card (TM6) and must be completed before your arrival.
It is important to understand that the TDAC is not a visa. Even if you are eligible for visa exemption or already have a visa, you are still required to complete this form.
Failing to submit your TDAC before arrival may result in delays or issues at immigration.
To avoid any problems, make sure your information is accurate and submitted within the official timeframe before your trip.
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When should you apply for the TDAC?
One of the most common questions travelers have is when to apply for the Thailand Digital Arrival Card (TDAC).
The official system only allows submissions within 72 hours before your arrival in Thailand.
This means that even if you prepare your information in advance, your application can only be submitted during this specific timeframe.
Many travelers make the mistake of waiting until the last minute or misunderstanding this rule, which can create unnecessary stress before departure.
To avoid this, it is recommended to prepare your information in advance and ensure everything is ready so your application can be submitted at the right time.
Planning ahead helps ensure a smooth and stress-free arrival in Thailand.