Non-F
Thailand Non-Immigrant F (Official Duty) — Guide
The Non-F is for people performing official duties connected with Thai government agencies or recognised international organisations, backed by an official request letter.
- Visa code
- Non-F
- Documents to prepare
- 3 items
- Process
- 3 steps
- Last reviewed
Last reviewed 2026-10-07. Preliminary guidance, not an official ruling. Fees are not listed because they change by announcement.
Who it is for
- Experts working with Thai agencies
- Staff of international organisations
Key requirements
- Official request letter from the agency
Typical documents
- Passport
- Agency letter
- Assignment details
Steps
- Agency issues request
- Apply at embassy
- Enter and follow reporting duties
Common mistakes
- Applying without the agency's letter
FAQ
Is it diplomatic?
No; diplomatic and official passports use a separate category.
Can family join?
Usually as dependants.
Official sources
These links are starting points for current announcements and checklists. Select the category and receiving office relevant to your circumstances; a general portal does not verify every requirement in this guide.