This service page distinguishes all 4 currently verified routes or purposes within this visa category.
Visa Routes Covered
Visa validity is not the same as the period of stay granted on arrival. Entry permission and any extension are determined separately by the competent Thai authorities.
Evidence shared across these routes
- Passport or travel-document biodata page
- Photograph taken within the previous six months
- Evidence showing the applicant’s current location, such as lawful-status, flight-payment or accommodation-payment records
01Posted in ThailandRoute family: D / F · Single · Multiple · Visa validity or service timing: 3 months / 6 months+
Purpose: Posted in Thailand.
Generally suits applicants whose real principal purpose matches this option and who can document it through the correct filing stage.
Route-specific evidence
- A note verbale from the sending state or international organisation setting out the posting details
02On diplomatic missionRoute family: D / F · Single · Multiple · Visa validity or service timing: 3 months / 6 months+
Purpose: On diplomatic mission.
Generally suits applicants whose real principal purpose matches this option and who can document it through the correct filing stage.
Route-specific evidence
- A note verbale from the sending state or international organisation, or an invitation letter
03Non-posting UN missionRoute family: D / F · Single · Multiple · Visa validity or service timing: 3 months / 6 months+
Purpose: Non-posting UN mission.
Generally suits applicants whose real principal purpose matches this option and who can document it through the correct filing stage.
Route-specific evidence
- A note verbale from the sending state or international organisation, or an invitation letter
04Non-posting EU missionRoute family: D / F · Single · Multiple · Visa validity or service timing: 3 months / 6 months+
Purpose: Non-posting EU mission.
Generally suits applicants whose real principal purpose matches this option and who can document it through the correct filing stage.
Route-specific evidence
- An EU note verbale stating the posting details, requested visa, purpose and intended stay
A published checklist is a starting point. Nationality, present location, document format, legalisation and the responsible embassy or consulate can change what must be submitted.
How we support your application
We review the real purpose of travel, confirm the responsible filing location, prepare a case-specific checklist, check consistency across the evidence and coordinate responses to reasonable follow-up requests.
We identify the appropriate purpose, filing location and principal evidence risks.
Your documents, forms and supporting explanation are checked for completeness and consistency.
We guide submission and help coordinate reasonable follow-up requests from the responsible authority.