TDAC Thailand Update Information - How to Edit Your Submission

Understanding TDAC Updates

The Thailand Digital Arrival Card (TDAC) system, implemented on May 1, 2025, allows travelers to update their information after submission in certain circumstances. Understanding how and when you can update your TDAC submission is essential for ensuring your information remains accurate throughout your travel planning process.

This comprehensive guide explains the update process for TDAC submissions, including what information can be changed, how to make corrections, and important considerations for different types of updates.

What Information Can Be Updated

Understanding what changes are possible in your TDAC submission

Updatable Information

Travel Dates - Arrival and departure dates
Flight Information - Flight numbers and times
Accommodation Details - Hotel name and address
Contact Information - Email and phone number
Emergency Contact - Emergency contact details

Limited Updates

Port of Entry - Restricted close to travel
Health Declarations - Limited update windows
Recent Travel History - Update restrictions
Purpose of Visit - May require documentation

Non-Updatable

Personal Details - Name, birth date, gender
Passport Information - Number, issuing country
Nationality - Cannot be changed
Biometric Data - Cannot be altered

How to Update Your TDAC Information

Access Your TDAC Submission

Visit the official TDAC website and login with your credentials or use your application reference number.

Navigate to Update Section

Look for an "Update" or "Edit" button on your application dashboard and select the application to update.

Make Your Changes

Edit individual fields, provide supporting documentation if required, and review all changes carefully.

Submit and Verify

Submit your update request and wait for confirmation. Save your updated confirmation for travel.

Common Reasons for Updating TDAC Information

Travelers may need to update their TDAC information for various reasons. Understanding these common scenarios can help you anticipate when you might need to make changes to your submission.

Flight Changes

Airlines may change flight times, numbers, or routes requiring TDAC updates.

Accommodation Changes

Hotel changes, address corrections, or extended stays may require updates.

Travel Date Changes

Earlier arrival, delayed travel, or duration changes need to be reflected.

Need to Update Your TDAC Information?

Access your TDAC submission to make necessary changes before your travel to Thailand

Update Your TDAC Now

Update within time limits • Verify changes • Support available