Thailand Non-Immigrant O (Family / Dependant)

Non-O Categories (Beyond Marriage)

The Non-Immigrant O visa covers multiple family relationship bases. The most common:

Parent of a Thai child: a foreign national who is the parent (biological or legal) of a Thai citizen. Financial requirement: 400,000 THB in a Thai bank account or 40,000 THB/month income. Documents: child's Thai birth certificate, Thai national ID, proof of parental relationship.

Dependant of a Non-B work permit holder: spouses and minor children of foreign nationals holding a Thai work permit can obtain Non-O visas as dependants. They cannot work in Thailand under this visa (the work permit holder is the authorised worker). Financial requirement: tied to the work permit holder's status rather than the dependant's own funds.

Dependant of an LTR or Smart Visa holder: spouses and under-20 children of LTR and Smart Visa primary holders receive accompanying Non-O or equivalent status under the BOI family inclusion provisions.

Guardian or caretaker of a Thai national: in some cases, those providing documented care for a Thai national can qualify. Case-by-case — confirm with Immigration.

When A Dependant Child Turns 20

Dependant status on these routes is bounded by age — the categories above say "minor children" and "under-20 children". It follows that the status ends when a child reaches 20, and a young adult who wants to stay on needs a category of their own rather than an extension of yours. What that category is depends entirely on what they will be doing here, and the sources we can find for the alternatives are commercial visa agencies rather than a published Immigration rule we can cite and date. So this is one to plan for well before the birthday rather than at the next extension, and to confirm for your child's actual circumstances rather than assume from a list.

The Annual Extension

Extended annually at Immigration. Documents typically required for the parent-of-Thai-child category: • Passport and copies • Thai child's birth certificate (original + copy) • Thai child's national ID or passport • Your bank passbook + bank letter (400,000 THB balance) • TM.7 form • Photographs • 1,900 THB fee • TM30 on file

For dependants of work permit holders: the Non-O extension is tied to the work permit holder's permit validity — it is renewed in alignment with the primary holder's permit and Non-B extension.

Work Rights

Non-O holders (family/dependant basis) generally cannot work in Thailand. If you need to work, a separate Non-B visa and work permit are required — the Non-O does not authorise employment.

How Visa Centre Helps

We assess which Non-O basis applies to your situation, prepare documents for both the overseas application and the annual in-country extension, and advise on the financial requirement specific to your Non-O category.

General guidance only. Requirements verified against Thai Immigration guidance as of August 2026. Non-O categories and requirements vary — confirm current requirements with the relevant Thai consulate or Immigration office. Independent assistance agency; not affiliated with any government body.