Made a Mistake on Your TM6? Here's How to Fix It

Complete guide to correcting errors on your Thailand Digital Arrival Card

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Understanding TDAC Information Restrictions

Making an error on your Thailand Digital Arrival Card (TDAC) can be stressful, especially when you're preparing for your trip to Thailand. The good news is that there are several ways to correct information on your Thailand Digital Arrival Card, depending on the type of mistake and when you discover it.


The Thailand Digital Arrival Card system has specific rules about what information can and cannot be modified after submission. Understanding these restrictions is crucial before attempting to make any corrections. The TDAC system was designed to enhance security and streamline immigration processes, which means certain safeguards are in place to prevent unauthorized changes to critical information.

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Thailand Digital Arrival Card Correction Process

What Information Can Be Updated After Submission

Most travel-related information can be corrected through the update feature

Travel Details

Flight numbers, arrival dates, and transportation methods

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Accommodation

Hotel addresses and contact information in Thailand

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Contact Info

Phone numbers and email addresses

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Health Declaration

Health status and recent travel history

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Information That Cannot Be Changed

Critical personal identification information cannot be modified once your TDAC is submitted

  • Must match your passport exactly
  • Cannot be modified after submission
  • Requires new TDAC if incorrect

  • Passport number cannot be changed
  • Nationality/citizenship is permanent
  • Date of birth cannot be modified

  • Restrictions exist for security purposes
  • Maintains immigration system integrity
  • Prevents unauthorized identity changes
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Passport Verification for TDAC

Step-by-Step Guide to Correcting Your TDAC

Follow these procedures based on the type of error you've made

Minor Corrections

For travel details and accommodation information

  1. Access the TDAC portal
    Use your confirmation details
  2. Navigate to update section
    Find the correction feature
  3. Modify incorrect information
    Change only what needs fixing
  4. Verify all details
    Ensure accuracy before submitting
  5. Download new confirmation
    Save updated version

Major Corrections

For personal information and passport details

  1. Start new TDAC application
    Complete fresh submission
  2. Enter information carefully
    Double-check against passport
  3. Complete all sections
    Fill with accurate data
  4. Submit new application
    Within 72 hours of arrival
  5. Discard previous confirmation
    Use only the correct version
TDAC Error Scenarios and Solutions

Common Scenarios and Solutions

Here are the most frequent TDAC correction situations and how to handle them:

Wrong Flight Number

Solution: Use the update feature to correct your flight details
Timeline: Can be done anytime before arrival

Misspelled Name

Solution: Submit a new TDAC application immediately
Timeline: Must be completed within 72 hours of arrival

Incorrect Accommodation

Solution: Update accommodation information through portal
Timeline: Can be updated until 3 hours before arrival

More FAQ Is TDAC Mandatory?

Preventing Mistakes on Your Next Application

Follow these tips to avoid errors and ensure smooth processing

Double-check all information against your passport before submitting

Use copy-and-paste for complex details like passport numbers

Review each section carefully before moving to the next

Complete when not rushed or distracted

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Frequently Asked Questions

Common questions about correcting TDAC information

No, absolutely not. Using a TDAC with incorrect personal information can result in:

  • Delays at Thai immigration
  • Denial of entry into Thailand
  • Additional questioning by immigration officers

Always submit a new TDAC if your name, passport number, nationality, or date of birth is incorrect.

You can update most TDAC information anytime before travel, with these restrictions:

  • General updates: Until 3 hours before scheduled arrival
  • New applications: Must be submitted within 72 hours of arrival
  • Critical errors: Submit new TDAC immediately upon discovery

We recommend making corrections as soon as you notice any errors.

If you discover an error after arrival:

  • Contact Thai Immigration Bureau immediately
  • Explain the situation to immigration officers
  • Provide correct documentation to support your case
  • Be prepared for additional processing time

For more information, visit our comprehensive guides: Who needs TDAC, TDAC vs Visa differences, and frequently asked questions.

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