The Thailand Digital Arrival Card (TDAC) is now a mandatory requirement for all foreign nationals entering Thailand. Introduced by the Thai Immigration Bureau, TDAC fully replaces the former TM6 paper arrival card and represents a major step toward a modern, digital immigration system.
This guide provides a clear, up-to-date, and SEO-optimized overview of TDAC, explaining what it is, who must submit it, when and where to apply, and how to complete the form correctly. It also covers common mistakes, FAQs, and practical tips to ensure a smooth entry into Thailand.
What Is the Thailand Digital Arrival Card (TDAC)?
TDAC (Thailand Digital Arrival Card) is an online immigration declaration system required for entry into Thailand. It replaces the traditional TM6 paper arrival card that travelers previously filled out on airplanes or at immigration counters.
TDAC applies to all foreign travelers entering Thailand by air, land, or sea. The system is designed to improve data accuracy, speed up immigration clearance, and enhance border security and public health monitoring.
Who Must Submit TDAC?
- All non-Thai passport holders
- Tourists, business travelers, long-term residents
- Applies regardless of visa type or length of stay
Important: If you are not a Thai national, TDAC submission is mandatory.
When Should TDAC Be Submitted?
- Within 3 days prior to arrival in Thailand
- Submission too early or after arrival is not accepted
Recommended: Submit TDAC 1–2 days before departure to allow time for corrections if needed.
Official TDAC Submission Website
TDAC must be submitted only through the official Thai Immigration website:
👉 https://tdac.immigration.go.th
Avoid third-party or paid submission services, as they are not affiliated with Thai Immigration.
Information Required Before Completing TDAC
Prepare the following details in advance:
- Passport information
- Personal details
- Flight or travel details
- Accommodation address in Thailand
- Health declaration information
All information must be entered in English.
How to Complete TDAC (Individual Submission)
- Visit the official TDAC website
- Select Arrival Card
- Enter passport and personal information
- MRZ scan or passport image upload is supported
- Enter flight and accommodation details
- Complete the health declaration section
- Review all information carefully
- Enter a valid email address
- Agree to the terms and submit
- Download or print the TDAC confirmation
A confirmation email is sent after successful submission.
Group Submission (Up to 10 Travelers)
- Available for families and group travelers
- Up to 10 people per submission
- Flight and accommodation details can be shared
- Passport and health details must be entered individually
How to Edit TDAC Information
TDAC details can be edited anytime before arrival.
Information Required for Editing
- TDAC reference number
- Date of birth
- Nationality
Information That Cannot Be Edited
- Full name (as shown on passport)
- Nationality
- Date of birth
Always double-check critical details before final submission.
Why TDAC Is Important
TDAC is a core component of Thailand’s modernized immigration system. By collecting traveler data in advance, immigration officers can reduce processing times and improve arrival efficiency.
The system also supports public health monitoring and enhances security screening, particularly during peak travel seasons.
Failure to submit TDAC may result in entry delays or additional immigration screening.
TDAC vs TM6: Key Differences
- TM6: Paper form, handwritten, higher error risk
- TDAC: Digital, pre-arrival submission, faster processing
TDAC significantly reduces manual errors and eliminates paperwork.
Common TDAC Mistakes to Avoid
- Passport information typos
- Submitting outside the 3-day window
- Not updating changed flight or hotel details
- Confusing TDAC with a visa
Helpful TDAC Tips
- Always review MRZ auto-filled data
- Save a PDF or screenshot on your phone
- Carry a printed copy for land border entry
- Submit 1–2 days before departure
Do Transit Passengers Need TDAC?
- Airside transit without immigration clearance: usually not required
- Leaving the airport or passing immigration: TDAC required
Confirm with your airline if unsure.
Frequently Asked Questions (FAQ)
Is TDAC mandatory for all foreigners?
Yes. All non-Thai nationals must submit TDAC.
Is TDAC a visa?
No. TDAC is an arrival declaration, not a visa.
Can I submit TDAC after arriving in Thailand?
No. TDAC must be completed before arrival.
Do children need TDAC?
Yes. All travelers, including infants, must submit TDAC.
Final Pre-Departure Checklist
✅ TDAC submitted within 3 days of arrival
✅ Confirmation saved or printed
✅ Passport details verified
✅ Accommodation address prepared
Final Summary
The Thailand Digital Arrival Card (TDAC) is now a standard requirement for entering Thailand. Completing it correctly in advance helps ensure a smooth and efficient arrival process.
While TDAC does not replace a visa, it is a critical part of Thailand’s entry procedure. Treat it as an essential travel document alongside your passport and visa.
✈️🇹🇭 Wishing you a smooth and enjoyable trip to Thailand.
