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Marriage Visa: 90-Day Non-Immigrant O
Convert your current visa to a Non-Immigrant O based on marriage to a Thai national
Read the Marriage Visa guide.
Last updated: 25 May 2026
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Application Forms
Pre-check Eligibility
Personal Documents
Relationship & Accommodation
Proof of Income / Funds
Payment
Notes
- Download all forms and prepare in advance
- Always verify with the immigration office you are attending what documents are required
- 1 set of documents is generally enough, however, some offices request 2 sets
This checklist reflects the documents typically required; however, requirements vary by immigration office. Additional documents are often requested depending on individual circumstances, so please confirm the latest requirements with your local office. Final approval is at the discretion of the immigration officer.
www.thaivisachecklist.com