Notarization in Thailand is performed by Notarial Services Attorneys registered with the Lawyers Council of Thailand. Documents are then typically legalized at the MFA Department of Legalisation before embassy submission.
重要ポイント
認証できるのは弁護士法(仏暦2528年)に基づきタイ弁護士会に登録した弁護士のみです
弁護士の面前で署名し、パスポートまたはタイ身分証の原本を提示する必要があります
海外で使用する文書は、外務省領事局の認証や提出先大使館の認証が追加で必要になる場合があります
手続と所要日数は各機関の規則により変更されることがあります。提出前に必ずご確認ください
手続の流れ(概要)
ステップ
実施主体
必要書類
所要目安
1. Review the file and confirm the certification format
Real customer questions, answered by our attorneys
Selected from our knowledge base of 3,300+ real questions we have answered.
Can affidavits and statutory declarations be submitted as a digital file or e-copy, and which formats are accepted?
Notary Public
Practitioner's view to "Can affidavits and statutory declarations be submitted as a digital file or e-copy, and which formats are accepted?" — Typical fees are お見積り per document set depending on pages, complexity and language, with sworn/certified translation billed separately if needed. In Thailand notarial services are performed by a Notarial Services Attorney registered with the Lawyers Council of Thailand — the document is then eligible for MFA legalization or Apostille (in force from 28 February 2027 (entry into force for Thailand)) before use overseas. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT). Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch. What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport. Common pitfall: states that objected to Thailand's accession to the Apostille Convention still require destination-embassy legalisation, so confirm the destination's position before starting. Practitioner's tip: give us your travel or filing deadline up front. We plan backwards and pick the service tier that lands on time without paying for unnecessary express handling.
If the source document is expired or lost, can MFA legalisation at Chaeng Watthana still proceed — and what is the workaround?
Consular / Apostille
Quick summary for expats, HR and law firms to "If the source document is expired or lost, can MFA legalisation at Chaeng Watthana still proceed — and what is the workaround?" — 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
Process in brief: (1) tell us the destination country and purpose so the correct chain is set from day one; (2) re-issue the original if it is older than the destination's limit; (3) translate and proofread twice against the source; (4) certify in the correct order; (5) return the sealed set with a digital copy for your records.
What to prepare: the original, the translation kept unbound from the source until certification, passport copies of every person named in the document, and any relationship evidence such as a house registration or marriage certificate if the destination asks for it.
Common pitfall: many destinations accept documents only within 3–6 months of issue or certification. Missing that window means re-issuing and re-certifying the entire set, so plan backwards from the real filing date.
Practitioner's tip: give us your travel or filing deadline up front. We plan backwards and pick the service tier that lands on time without paying for unnecessary express handling.
If the destination asks for one more layer of certification after MFA legalisation at Chaeng Watthana, what is the next step and how many days does it add?
Consular / Apostille
How we handle this in practice to "If the destination asks for one more layer of certification after MFA legalisation at Chaeng Watthana, what is the next step and how many days does it add?" — 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
Process in brief: (1) decide whether the destination requires an original or a certified true copy; (2) prepare a power of attorney if you cannot attend; (3) translate in the required format; (4) file and monitor the queue; (5) verify whether supporting documents are also required at destination.
What to prepare: the full original set, colour scans of every page for translation proofing, an English spelling list for all people and place names, and any extra items listed on the destination authority's own checklist.
Common pitfall: states that objected to Thailand's accession to the Apostille Convention still require destination-embassy legalisation, so confirm the destination's position before starting.
Practitioner's tip: treat the destination authority's own published checklist as the final reference; country-specific rules change, and we will review that checklist with you before filing.
How many certification steps at the Department of Consular Affairs does a company affidavit and VAT Por.Por.20 used to open a foreign subsidiary require, and how long does each step take?
Consular / Apostille
Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "How many certification steps at the Department of Consular Affairs does a company affidavit and VAT Por.Por.20 used to open a foreign subsidiary require, and how long does each step take?" — You never need to attend Chaeng Watthana yourself — we file under a power of attorney, track the queue, and courier the sealed originals back by EMS or DHL worldwide. 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). Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Process in brief: (1) assemble the complete file before filing — partial filings lose a queue slot; (2) match every spelling to the passport; (3) file the whole set together so the stamps carry one date; (4) inspect the stamps at the counter; (5) ship with tracked delivery.
What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport.
Common pitfall: the single largest cause of rejection is an English spelling that does not match the passport. Always take the passport spelling as authoritative and confirm it before translation starts.
Practitioner's tip: treat the destination authority's own published checklist as the final reference; country-specific rules change, and we will review that checklist with you before filing.
How are foreign marine archaeology and shipwreck exploration authorization documents legalized?
Consular / Apostille
Practitioner's view to "How are foreign marine archaeology and shipwreck exploration authorization documents legalized?" — 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).
Process in brief: (1) confirm the original was issued by the competent authority and is still within the accepted validity window; (2) have it translated by a translator the destination accepts; (3) obtain certification of the signature/translation; (4) add destination-embassy legalisation only where Apostille is not accepted; (5) proof names, dates and reference numbers before dispatch.
What to prepare: an intact original that is not torn or laminated, evidence of any name change where the document does not match your current name, a passport copy, and a power of attorney with ID copies of both grantor and agent.
Common pitfall: never unstaple or re-bind a certified set. Removing the staple is treated as breaking the seal and the destination may reject the whole file; photocopy without dismantling it.
Practitioner's tip: if the same document is needed by several authorities, produce all copies in one round — it saves time and keeps the certification format consistent across the sets.
What jurisdictional impact do foreign bankruptcy rulings have on assets located in Thailand?
Consular / Apostille
Short answer to "What jurisdictional impact do foreign bankruptcy rulings have on assets located in Thailand?" — 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 starts at THB 1,500–4,500 per set depending on volume and urgency. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Process in brief: (1) check whether a parent authority must endorse the document first — a school, hospital or line department; (2) translate into the required language; (3) certify the translation; (4) complete the next certification layer; (5) submit within the validity window the destination accepts.
What to prepare: an intact original that is not torn or laminated, evidence of any name change where the document does not match your current name, a passport copy, and a power of attorney with ID copies of both grantor and agent.
Common pitfall: official fees and service windows change. Verify the current rate and turnaround directly with the certifying authority before you fix a budget or a travel date.
Practitioner's tip: treat the destination authority's own published checklist as the final reference; country-specific rules change, and we will review that checklist with you before filing.
How do foreign petrochemical refinery safety audit certificates undergo MFA review?
Consular / Apostille
Quick summary for expats, HR and law firms to "How do foreign petrochemical refinery safety audit certificates undergo MFA 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. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
Process in brief: (1) decide whether the destination requires an original or a certified true copy; (2) prepare a power of attorney if you cannot attend; (3) translate in the required format; (4) file and monitor the queue; (5) verify whether supporting documents are also required at destination.
What to prepare: the full original set, colour scans of every page for translation proofing, an English spelling list for all people and place names, and any extra items listed on the destination authority's own checklist.
Common pitfall: self-made or machine translations are usually refused — reviewers check the letterhead, the translator's certification wording, and whether every stamp on the original has been rendered.
Practitioner's tip: send us photographs of the documents before work begins. We will confirm the correct chain, an honest timeline, and anything still missing so you do not lose a filing slot.
What procedures govern the legalization of intercountry adoption documents in Thailand?
Consular / Apostille
Per the Legalization Division, Department of Consular Affairs (MFA Thailand) to "What procedures govern the legalization of intercountry adoption documents in Thailand?" — 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).
Process in brief: (1) confirm whether the receiving body wants an Apostille or embassy legalisation; (2) obtain the certified original from the issuing authority; (3) translate through an accepted translator; (4) certify translation and signature; (5) keep high-resolution colour scans of every page before the file leaves Thailand.
What to prepare: the original or a certified extract from the issuing authority, a copy of the holder's ID or passport, a power of attorney if someone files on your behalf, and the exact English spelling of every name as it appears in the passport.
Common pitfall: the single largest cause of rejection is an English spelling that does not match the passport. Always take the passport spelling as authoritative and confirm it before translation starts.
Practitioner's tip: if the same document is needed by several authorities, produce all copies in one round — it saves time and keeps the certification format consistent across the sets.
Practitioner guidance — Certification by a Notarial Services Attorney
Competent authority: Lawyers Council of Thailand
Practitioner guidance
✓For companies, bring a recent company affidavit and evidence of directors' signing authority.
✓Review how the foreign form expects the certifier to complete it before the appointment.
✓Thailand has no standalone Notary Public office; certification is performed by a Notarial Services Attorney registered with the Lawyers Council of Thailand.
✓The signatory must sign in front of the attorney and present an original passport or Thai ID card.
✓Bring the complete original document, including blank and stamped pages.
Pitfalls — why documents get rejected
!Signing in advance — the attorney cannot certify a signature made out of their presence.
!Presenting a passport copy instead of the original on the day.
!Documents containing alterations or strike-throughs without initials.
!Assuming attorney certification alone is accepted everywhere, when many countries require consular or embassy steps.
!A company affidavit older than the destination accepts.
公証人資格弁護士(Notarial Services Attorney)による認証の主たる所管当局は Lawyers Council of Thailand です。提出先が指定する経路以外で取得した認証は、内容が正しくても受理されないことがあります。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
所要期間は一定ではなく、Lawyers Council of Thailand の受付状況・書類の種類・提出先機関により変動します。そのため固定の日数は掲載していません。実際の期限より余裕を持って着手し、渡航や提出の予定を組む前に現在の状況をご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
有効期限を定めるのはサービス提供者ではなく提出先機関です。発行後一定期間内の書類のみを受理する機関も多いため、先に提出先の基準を確認したうえで Lawyers Council of Thailand での手続きを開始してください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
署名や本人確認が必要な段階と、委任状で代理可能な段階があります。Lawyers Council of Thailand の規定と書類の種類により異なるため、来訪前に条件をご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
ページ数・言語・認証の段数、および Lawyers Council of Thailand が公告に基づき徴収する公的手数料によって範囲が大きく異なるため、単一の金額の掲示はかえって誤解を招きます。実際の書類を拝見したうえでご案内しています。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
綴りや氏名の不一致、原本と写しの取り違え、提出先が求める経路を経ていない認証などが実際に見られる原因です。判断に迷う場合は Lawyers Council of Thailand または当方スタッフに事前にご確認ください。 個別のご事情はお電話・LINE・メールでスタッフにご確認ください。 本内容は一般的な案内です。要件・所要期間は変更される場合がありますので、申請前に必ず所管当局の最新情報をご確認ください。
Can a Thai notary sign documents that will be used overseas?
Yes. A Notarial Services Attorney registered with the Lawyers Council of Thailand can notarize documents intended for use abroad, after which the document is legalized at the Ministry of Foreign Affairs (MFA) and, if required, at the destination country's embassy.
Do I need an appointment to notarize a document in Bangkok?
Walk-ins are accepted, but booking a 30-minute slot in advance guarantees same-day completion and lets us pre-check that you bring the right identification and any supporting documents.
What ID do I need to bring to a notary appointment?
Bring your original passport (or Thai national ID for Thai nationals); for corporate documents bring the affidavit/board resolution and a copy of the company affidavit issued within the last 90 days.
確認済みの専門資格
• Member, Lawyers Council of Thailand (สภาทนายความ) — 確認する
• Registered certified translator, Ministry of Justice (Thailand) — 確認する
• Recognized agent for MFA Legalization Division, Thailand — 確認する
Composite cases similar to this page — Certification by a Notarial Services Attorney
Composite cases assembled from commonly seen matters — not individual clients, no personal data.
certified true copy of passport from Chonburi for an overseas property transaction
an authorised representative of a Thai-registered company from Chonburi — a tight travel or filing deadline required resequencing the work
What we handled: tracked progress between steps and reported status along the way · prepared the translation and reconciled every name spelling against the passport
What clients usually ask in matters like this: who must certify the translation for it to be accepted at destination?
Indicative timeline: roughly 7–14 working days end to end
financial status letter from the United Arab Emirates for a foreign bank filing
a Thai national residing in Thailand from the United Arab Emirates — the originals were issued abroad, so the origin-country chain had to be completed first
What we handled: sequenced the certification chain to match the destination authority's rules · prepared the translation and reconciled every name spelling against the passport · tracked progress between steps and reported status along the way · arranged the signing or lodgement appointment and listed what to bring
What clients usually ask in matters like this: if I am upcountry or abroad, must I attend in person?
Indicative timeline: roughly 3–7 working days end to end
financial status letter from Prachuap Khiri Khan–Hua Hin for a court or regulator filing
an attorney-in-fact acting for the document holder from Prachuap Khiri Khan–Hua Hin — some certified copies were older than the destination's freshness rule
What we handled: prepared the translation and reconciled every name spelling against the passport · reviewed the source documents and flagged which ones needed re-issuing before work began · arranged the signing or lodgement appointment and listed what to bring
What clients usually ask in matters like this: how long does the set stay valid after certification?
Indicative timeline: roughly 10–20 working days end to end