Who needs one
All non-Thai nationals arriving in Thailand.
Every traveller needs one, including babies and children.
Doing it for your whole group
One person can complete it for family members, children or a group, up to 10 travellers per application.
What you'll need for each person
- Passport details
- Flight number and arrival date
- Address in Thailand
- Purpose of travel
- Health declaration answers
- An email address to receive the card
Who doesn't need one
- Thai nationals
- Transit passengers who don't pass through immigration
Questions travellers ask
Do children need the TDAC?
Every traveller needs one, including babies and children.
Can one person do the TDAC for the whole family?
One person can complete it for family members, children or a group, up to 10 travellers per application.
When should we do it?
Within 3 days before you arrive in Thailand, counting the day you arrive.
What does it cost?
Nothing. It's free on tdac.immigration.go.th.
Official sources
Last checked 3 October 2026. Rules can change at short notice, so always confirm on the official site before you travel. WayReady is not a government agency.