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Thailand · Ancestry & return

Thailand Non-Immigrant O — former Thai national

15 facts quoted from the official source

For a foreign national who previously held Thai nationality and can prove that former status officially.

Route type
Ancestry & return
Can bring
—
Not stated in the official source
Requirements
3
each quoted below
Who qualifies

Who this route is for

Every item below is the government’s own wording, quoted from the official source. Whether you personally qualify depends on your full profile.

3 requirements quoted from the official source.

The conditions that decide it
  • Passport minimum validity (months)A passport or travel document valid for at least 6 months is required.via mfa.go.th
  • Who qualifiesThe applicant must prove that they previously held Thai nationality.
What you’ll show with your application

Paperwork you prepare — it does not rule you out.

  • Passport or travel documentA passport or travel document valid for at least 6 months is required.via mfa.go.th
Also stated by the source
  • Admission or enrolment requirementOfficial evidence of former Thai nationality is required.
  • Extension (months, max)A qualifying holder may request an extension up to one year; approval is discretionary and depends on the relevant purpose.via mfa.go.th
  • Purpose of the routeStay in Thailand as a former Thai national.
  • Work and study rightsEmployment requires the applicable work authorisation.
  • Work authorisation requirementFormer-national status does not itself remove the work-permit requirement.via osos.boi.go.th
Family

Who you can bring

— Not stated in the official source. The official page for this route does not address dependent-family rights, so we do not publish a claim either way.
Costs & timelines

What the source prices

Fees
3 proven from the official source.
  • FeeThe central fee schedule states THB 2,000 for a single-entry non-immigrant visa and THB 5,000 for a multiple-entry visa.via mfa.go.th · checked 2026-07-27
  • Multiple-entry fee (THB)The central fee schedule states THB 2,000 for a single-entry non-immigrant visa and THB 5,000 for a multiple-entry visa.via mfa.go.th · checked 2026-07-27
  • Single-entry fee (THB)The central fee schedule states THB 2,000 for a single-entry non-immigrant visa and THB 5,000 for a multiple-entry visa.via mfa.go.th · checked 2026-07-27
Validity
4 proven from the official source.
  • Duration and validityA single-entry non-immigrant visa is normally valid for three months and initially permits a stay of up to 90 days.via mfa.go.th
  • Initial stay (days, max)A single-entry non-immigrant visa is normally valid for three months and initially permits a stay of up to 90 days.via mfa.go.th
  • Validity (months)A single-entry non-immigrant visa is normally valid for three months and initially permits a stay of up to 90 days.via mfa.go.th
  • RenewalA qualifying holder may request an extension up to one year; approval is discretionary and depends on the relevant purpose.via mfa.go.th
How it works

From here to a yes

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Apply with the official sourceThe application itself always happens with the government — the enacting authority linked below. The report points you straight at it.
FAQ

Straight answers

01Who qualifies for this route to Thailand?
The official source states: For a foreign national who previously held Thai nationality and can prove that former status officially.

Every answer is quoted from the official budapest.thaiembassy.org page for this route, last read 2026-07-27.

We checked 15 points against the official source; 15 are quoted on this page. The other 0 are either not addressed by the source or not yet backed by a quote — we would rather show you the edge of the record than fill it with a plausible guess.

See the 0 open points

Processing time is not published in the official source for this route. We publish a number only when the official text states that number.

Not stated in the official source — the official source names no exclusion for this route.

The source

Where every quote comes from

Official government source budapest.thaiembassy.orgLast read 2026-07-27 Every quote on this page is from this Thailand government page.
Compiled from official sources · pending independent re-check · Last checked 2026-07-27 · Our methodology
 · Compiled by António Mira · How we verify · Not legal advice — rules change; confirm with the official source before deciding.
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