How to Fill Out the Thailand Digital Arrival Card Online

Complete step-by-step guide to filling out your TDAC before traveling to Thailand. Save time and avoid delays at immigration.

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What You Need to Know Before Starting

The Thailand Digital Arrival Card (TDAC) is mandatory for all foreign nationals entering Thailand starting May 1, 2025. This digital form replaces the traditional paper TM6 form and must be completed within 72 hours before your arrival.


Essential information you'll need to prepare:

  1. Passport Information
    Valid passport with at least 6 months validity remaining.
  2. Travel Details
    Flight number, arrival date, and accommodation address in Thailand.
  3. Health Declaration
    Countries visited in the past 14 days and vaccination status if applicable.
Learn About TDAC
Thailand Digital Arrival Card online form

Complete Step-by-Step Guide to Fill Out TDAC

Follow these detailed steps to complete your Thailand Digital Arrival Card without errors

Step 1: Access Official Website

Visit the official TDAC portal at tdac.immigration.go.th. Ensure you're using the correct government website to avoid scams.

Visit Official Site

Step 2: Enter Personal Information

Fill in your full name, nationality, date of birth, and passport number exactly as shown on your passport.

Avoid Common Mistakes

Step 3: Add Travel Details

Provide your flight number, arrival date, purpose of visit, and first night's accommodation address in Thailand.

Check Requirements

Step 4: Health Declaration

Declare countries visited in the past 14 days and provide Yellow Fever vaccination certificate if traveling from affected areas.

Health Info

Detailed Filling Instructions

Important details for each section of the TDAC form

  • Full Name: Enter exactly as shown on passport
  • Nationality: Select from dropdown menu
  • Date of Birth: Use DD/MM/YYYY format
  • Passport Number: Double-check for accuracy
  • Gender: Select Male/Female/Other

  • Arrival Date: Your scheduled arrival date in Thailand
  • Flight Number: Complete flight number (e.g., TG123)
  • Purpose of Visit: Tourism, Business, Transit, etc.
  • Accommodation: First night's hotel/address only
  • Duration of Stay: Planned length of visit

  • Countries Visited: List all countries visited in past 14 days
  • Symptoms: Declare any fever, cough, or illness symptoms
  • Yellow Fever: Certificate required if coming from affected areas
  • Contact Information: Phone number and email address
Thailand Digital Arrival Card process diagram

Essential Tips for Success

Avoid common mistakes and ensure smooth processing

Timing Requirements

  • Submit within 72 hours of arrival
  • Complete at least 24 hours before departure
  • Allow time for processing and corrections
  • Save confirmation email and QR code

Common Mistakes to Avoid

  • Incorrect passport number entry
  • Wrong arrival date or flight details
  • Incomplete accommodation information
  • Missing health declaration details
Thailand immigration health requirements

Health Declaration Requirements

The health declaration section is mandatory and requires accurate information about your recent travel history and health status.

Yellow Fever Vaccination Required From:

African Countries:
  • Angola, Benin, Burkina Faso
  • Cameroon, Chad, Congo
  • Ethiopia, Ghana, Guinea
  • Kenya, Nigeria, Uganda
  • And 20+ other countries
South American Countries:
  • Brazil, Colombia, Ecuador
  • Peru, Venezuela, Bolivia
  • French Guiana, Guyana
  • Panama, Trinidad & Tobago
Important: If you've visited any Yellow Fever endemic areas in the past 14 days, you must provide an International Health Certificate proving vaccination.

Final Submission and Confirmation

Complete your TDAC application and prepare for arrival

  1. Review All Information
    Double-check every field for accuracy before submitting. Some information cannot be changed after submission.
  2. Submit Your Application
    Click submit and wait for the confirmation page to load completely.
  3. Save Your Confirmation
    Download the PDF confirmation and save the QR code to your phone. You'll need this at immigration.
  4. Print or Screenshot
    Keep both digital and physical copies as backup in case of technical issues.
  5. Present at Immigration
    Show your TDAC confirmation along with your passport to the immigration officer upon arrival.
Start Your TDAC Application

Troubleshooting Common Issues

Solutions to frequently encountered problems

This error commonly occurs due to:

  • Incorrect passport number format
  • Mismatched travel dates outside the 72-hour window
  • Incomplete required fields

Solution: Double-check all information, ensure all required fields are filled, and verify your arrival date is within the submission window.

Check these locations:

  • Spam or junk folder
  • Promotions tab (Gmail users)
  • Blocked senders list

If still missing: Log back into the TDAC website using your passport number and date of birth to retrieve your confirmation.

You can update: Travel details, accommodation information, and health declarations

You cannot change: Name, passport number, nationality, or date of birth

How to update: Use the "Update Arrival Card" option on the official website, except within 3 hours of arrival.

Learn more about editing your TDAC

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Related Information

Everything else you need to know about Thailand Digital Arrival Card

What is Thailand Digital Arrival Card?

Learn about the TDAC system, its purpose, and why it's replacing the traditional TM6 form.

Read More
TDAC Requirements

Complete list of documents and information needed to fill out your Thailand Digital Arrival Card.

Check Requirements
Common Mistakes to Avoid

Learn about the most frequent errors travelers make and how to prevent them.

Avoid Mistakes