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Thai Notary Law & Service & Notary
Thai Notary Public Thailand
บริการแปลและรับรองนิติกรณ์
🇺🇸 For American (USA) Citizens · Bilateral Path

Marriage Visa 1-Year Extension for American (USA) Nationals

End-to-end handling of source-country documents (English) → Hague Apostille → Certified Thai translation → Immigration Bureau submission.

Service Fee

฿9,50028,000

Turnaround

1–7 days

Legalization

Apostille

Source Language

English

Quick Answer

American (USA) nationals can obtain the Marriage Visa 1-Year Extension by preparing source documents in English, having them Apostille-certified in the home country, then certified-translated into Thai. Filing venue: Royal Thai Embassy, Washington D.C. + 4 Consulates (Los Angeles, New York, Chicago, Houston). Total processing time with Thai Notary: 1–7 days. Starting from THB 9,500.

American (USA) → Thailand Visa Pathway

Royal Thai Embassy / Consulates

Royal Thai Embassy, Washington D.C. + 4 Consulates (Los Angeles, New York, Chicago, Houston)

Bilateral Framework

Visa-exempt 30 days for tourism; Amity Treaty gives US citizens special rights to own businesses in Thailand.

Most common Thailand-visa purposes among American (USA) nationals

  • Retirement (Non-O)
  • Marriage to Thai (Non-O)
  • Business (Non-B)
  • LTR Wealthy Global Citizen

American (USA) community in Thailand: ~40,000

Thai Notary services this community year-round with dedicated English-speaking coordinators and pre-negotiated document-legalization routes with the Royal Thai Embassy handling American (USA) nationals.

Documents required for American (USA) applicants

  • Passport (American (USA)-issued) with ≥ 6 months validity
  • Passport-style photos (4×6 cm, white background)
  • Home-country birth certificate — Apostille + certified English→Thai translation
  • Marriage / divorce certificate (if applicable) with same authentication chain
  • Criminal record check from American (USA) authorities — apostilled/legalized + translated
  • Bank statement — home country (last 6 months) + Thai account if available
  • Proof of address in Thailand (lease / house registration)
  • Visa-specific supporting documents (work permit, TM.30, WP.3, LTR endorsement — as required by Marriage Visa 1-Year Extension)

Step-by-step process for American (USA) nationals

  1. 1

    Document collection in American (USA)

    Thai Notary sends you a specification pack for each document — including exact formats accepted by the Thai Immigration Bureau. You gather originals in American (USA).

  2. 2

    Apostille

    Documents are apostilled by your home-country competent authority (single step, ~5–10 business days). Thailand joined the Hague Convention effective from 28 February 2027.

  3. 3

    Certified translation into Thai

    Thai Notary's registered translators handle English→Thai with terminology matched to Thai Immigration Bureau standards. Signed and sealed for legal admissibility.

  4. 4

    Immigration Bureau / Chaeng Wattana filing

    Our attorneys accompany you to the correct Immigration counter, pre-book queue numbers, and handle any 90-day reporting or TM.30 as needed.

  5. 5

    Post-approval support

    Multiple-entry endorsement, re-entry permit, work permit (if applicable), annual extensions — everything under a single case manager who speaks English.

Applying for a Thai visa from American (USA)?

Send us your document set via LINE — English/English case managers reply within 30 minutes with a detailed quote, timeline, and legalization checklist.

Real customer questions, answered by our attorneys

Selected from our knowledge base of 3,300+ real questions we have answered.

What is the fundamental legal difference between traditional MFA document Legalization and an Apostille stamp?

Consular / Apostille

Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "What is the fundamental legal difference between traditional MFA document Legalization and an Apostille stamp?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee depends on volume and urgency — quoted on request via +66 94 895 8999, LINE @Thainotary or Contact@thainotary.co.th. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: MFA consular legalisation

How do foreign deep-space astronomy observatory research cooperation agreements undergo review?

Consular / Apostille

Short answer to "How do foreign deep-space astronomy observatory research cooperation agreements undergo review?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee depends on volume and urgency — quoted on request via +66 94 895 8999, LINE @Thainotary or Contact@thainotary.co.th. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: Police clearance certificate

How does the online MFA e-Legalization system function, and what document types are eligible for digital submission?

Consular / Apostille

Practitioner's view to "How does the online MFA e-Legalization system function, and what document types are eligible for digital submission?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee depends on volume and urgency — quoted on request via +66 94 895 8999, LINE @Thainotary or Contact@thainotary.co.th. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: MFA consular legalisation

Are foreign documents mandatory for securing a Thai Non-B Visa?

Consular / Apostille

Short answer to "Are foreign documents mandatory for securing a Thai Non-B Visa?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).

Related service: Embassy legalisation

Will the MFA reject document legalization if the original physical paper shows minor wear, tear, or creases?

Consular / Apostille

Quick summary for expats, HR and law firms to "Will the MFA reject document legalization if the original physical paper shows minor wear, tear, or creases?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee depends on volume and urgency — quoted on request via +66 94 895 8999, LINE @Thainotary or Contact@thainotary.co.th. Door-to-door pickup in Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: MFA consular legalisation

Do foreign corporate financial statements and shareholder lists require Thai MFA legalization?

Consular / Apostille

Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "Do foreign corporate financial statements and shareholder lists require Thai MFA legalization?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Door-to-door pickup in Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: Embassy legalisation

How do foreign submarine communication cable maintenance and repair contracts undergo review?

Consular / Apostille

Short answer to "How do foreign submarine communication cable maintenance and repair contracts undergo review?" — Standard outbound chain: original from the issuing Thai authority → certified English translation → MFA certification of the translation/signature → destination-embassy legalisation in Bangkok (only for non-Apostille countries). Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Door-to-door pickup in Bangkok and DHL dispatch worldwide — call 094-895-8999.

Related service: Embassy legalisation

Can I request a replacement or duplicate copy directly from the MFA if an original legalized document is lost in transit?

Consular / Apostille

Quick summary for expats, HR and law firms to "Can I request a replacement or duplicate copy directly from the MFA if an original legalized document is lost in transit?" — Typical documents: house registration, birth/marriage/divorce certificates, name-change records, death certificates, single-status letters, police clearance, degrees and transcripts, company affidavits, VAT Por.Por.20, financial statements, powers of attorney and cross-border contracts. Government fee is THB 200 per stamp for the normal service (2–3 business days) and THB 400 per stamp for same-day express (file before 11:30). Our end-to-end agency fee depends on volume and urgency — quoted on request via +66 94 895 8999, LINE @Thainotary or Contact@thainotary.co.th. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.

Related service: MFA consular legalisation

Key facts at a glanceEnd-to-end certification and translation

Indicative price
Contact us for a quote — a firm quote is always given before work starts
Turnaround
1–7 business days by document type and receiving authority
What you receive
Properly certified documents plus guidance on the next filing step
Service coverage
Nationwide Thailand — courier and fully online intake, no in-person visit required.

Figures above are indicative ranges; the final quote depends on page count, language pair and receiving authority.

Ask us or request a quote right away

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