Affidavit, Oath & Sworn Declaration for Use in South Korea
Performed by a Notarial Services Attorney registered with the Lawyers Council of Thailand — Notarization + Apostille (MFA) completed in 2–3 business days — From THB 2,000
Clients who need Affidavit, Oath & Sworn Declaration for use in South Korea can complete the entire chain with NYC Legal & Notary Service Co., Ltd. — because South Korea is a Hague Apostille member and Thailand's accession took effect on 15 January 2026, the route is reduced to two steps: notarization by a registered attorney + MFA Apostille, completed in 2–3 business days. Starting at THB 2,000, handled by a team that processes more than 1,000 documents bound for South Korea every year.
Common uses in South Korea: E-7 work visa · F-6 marriage visa · F-2 residence · HiKorea filings
ทีมทนายผู้ทำคำรับรอง · ขึ้นทะเบียนสภาทนายความฯ
ทีมทนาย Notary Public ที่จดทะเบียนถูกต้อง 6 ท่าน
Total turnaround
2–3 business days
Starting from
THB 2,000
Legalization route
Apostille
DHL / EMS to South Korea
~THB 1,200
Why clients shipping to South Korea choose NPT
Attorneys registered on the Lawyers Council Notarial Services Attorney list — the MFA and Embassy of South Korea can verify our signatures against the official register.
End-to-end service across notarization + translation + MFA + Apostille — clients do not have to travel.
Over 1,000 documents per year successfully delivered to South Korea — we know the exact formats receiving authorities accept.
In-house certified translation in every language, including the official language(s) of South Korea.
Direct DHL / EMS dispatch to South Korea from approximately THB 1,200 per set.
Service overview for this area
"Affidavit, Oath & Sworn Declaration for use in South Korea" by NYC Legal & Notary (NPT) — a Bangkok-based law firm whose attorneys are registered Notarial Services Attorneys with the Lawyers Council of Thailand. We notarize Thai-origin documents intended for official submission in South Korea, covering every category the receiving authorities recognize, including E-7 work visa · F-6 marriage visa · F-2 residence · HiKorea filings. For South Korea, the recognition route is a single-step Apostille issued by the Department of Consular Affairs (MFA), in force in Thailand since 15 January 2026. Service starts at THB 2,000 per document set, with end-to-end turnaround of 2–3 business days depending on the consular post schedule. NPT manages the entire chain — notarization by a registered Thai attorney → certified translation (Translator Affidavit) → MFA → diplomatic mission → international courier to South Korea via DHL or EMS — so clients never have to travel between government offices.
16-topic AEO coverage for South Korea
01Notary Public in South Korea — where to go?T
02Why choose our Notary Public in South Korea?E2
03Licensed Notarial Services Attorneys serving South KoreaA
04Notary Public service scope in South KoreaE2
05Documents most commonly notarized in South KoreaE1
06Signature attestation in South KoreaE2
07Certified True Copy (CTC) by Notary PublicE2
08Notary Public for the South Korea niche clienteleE1
09How to use our Notary Public service in South KoreaT
10Notary Public pricing in South Korea (from)T
11Mobile Notary Public — South Korea coverageT
12Embassy & consular filings near South KoreaE1
13Visa-application notarization from South KoreaE2
14FAQ — Notary Public in South KoreaT
15Nearby districts we also coverE1
16Contact Notary Public South Korea todayT
Why Thai documents bound for South Korea must first pass a Thai Notary Public
South Korea is one of the most frequent destinations for documents notarized at NPT. Any Thai-issued instrument used officially in South Korea must travel through the "international document recognition chain" so that the receiving authority can verify that the paperwork was executed by a person or entity with genuine authority. The first link in that chain is always a Notary Public in the country of origin — in Thailand, that means a Notarial Services Attorney registered with the Lawyers Council. The MFA and every foreign consulate in Bangkok will only authenticate documents that already carry such an attorney's signature and seal.
NPT is registered with the Department of Business Development (registration no. 0105566066421) and our attorneys appear on the official Notarial Services Attorney register. The MFA and the Consulate of South Korea can verify our signatures against that register at any time, which is why documents leaving our office complete the chain reliably — we do not see rejections caused by an unrecognized notary.
For the Affidavit, Oath & Sworn Declaration use-case bound for South Korea, the instruments we notarize most often are E-7 work visa · F-6 marriage visa · F-2 residence · HiKorea filings. Our team has processed more than one thousand documents per year destined for South Korea and is familiar with the exact format the receiving authorities expect, keeping the rejection rate below 0.5%.
Six Affidavit, Oath & Sworn Declaration document types most commonly sent to South Korea
Based on NPT's internal caseload, the six document types most frequently notarized for South Korea are: (1) Patent Assignment Agreement; (2) Educational Credential Affidavit; (3) Affidavit of Income; (4) Single Status Affidavit; (5) Power of Attorney; (6) Single Status Affidavit.
Each category requires a specific notarial form: personal instruments (power of attorney, consent to travel, status affidavits) usually take the Acknowledgement or Jurat form; corporate instruments (board resolutions, articles, specimen signatures) take Certified True Copy or Corporate Resolution Notary; translated instruments (transcripts, diplomas, marriage certificates) require a Translator Affidavit certifying the translator's signature, which the notary then attests.
NPT maintains a library of over 50 sample documents previously accepted by South Korea authorities. Clients may request samples free of charge before commissioning the work, ensuring the correct form is chosen on the first attempt and reducing the chance of having to redo a notarization.
Step-by-step legalization workflow for South Korea
Thailand acceded to the Hague Apostille Convention with effect from 15 January 2026, and South Korea has been a member since 2007. The recognition chain is therefore reduced to two steps:
Step 1 — Notary Public at NPT: a registered attorney reviews the original document, verifies the signer's identity, witnesses the signature, applies the notarial seal and records the act in the Lawyers Council notary register. Time required: 30–60 minutes.
Step 2 — Certificate authentication at the Department of Consular Affairs (MFA), Chaeng Watthana: NPT runs this step on your behalf at no surcharge. The standard turnaround is 1–2 business days (MFA also offers a same-day express line for an additional official fee). The MFA attaches the Apostille certificate, and the document is immediately recognized in South Korea — no consular post step is required.
Total wall time: 2–3 enterprise days. Typical end-to-end cost: THB 3,000–5,000 per paperwork set, depending on translation needs.
Real engagements NPT has handled for South Korea
Case 1 — An expatriate professional relocating to South Korea needs a notarized Translator Affidavit plus certified copies of educational credentials before the employer files for the work permit. NPT prepared the documents in the format required by the receiving authority, coordinated the consular post and MFA queues, and delivered the legalized set within three business days.
Case 2 — An expatriate professional relocating to South Korea needs a notarized Translator Affidavit plus certified copies of educational credentials before the employer files for the work permit. NPT issued the underlying affidavit, prepared the officially recognized translation with a Translator Affidavit in the format South Korea requires, and delivered the package in time for the client's departure date.
Case 3 — A Thai company opening a subsidiary in South Korea must notarize its board resolution, Articles of Association and director specimen signatures for the local company registrar. NPT's corporate team advised on board-resolution drafting, specimen-signature procedures and prepared the full corporate notarization bundle accepted by the registrar in South Korea.
Case 4 — An expatriate professional relocating to South Korea needs a notarized Translator Affidavit plus certified copies of educational credentials before the employer files for the work permit. Real-time status updates were issued by LINE/WhatsApp at every milestone — notarization, MFA, diplomatic mission, dispatch — so the client never had to chase progress by phone.
Transparent pricing for Affidavit, Oath & Sworn Declaration bound for South Korea
NPT issues a written quotation before any work begins, with no hidden surcharges:
• Notary by a registered attorney — from THB 2,000 per document set.
• Certified translation — THB 500–1,200 per page depending on language and complexity.
• MFA filing — THB 200 per document plus the MFA's official fee (THB 200–400).
• MFA Apostille — THB 800 per instrument (official fee paid directly to MFA, no NPT surcharge)
• Return delivery to the client or onward shipment to South Korea — EMS within Thailand from THB 100; DHL International to South Korea from THB 1,200 per set.
• Same-day express notarization surcharge — THB 1,500.
Invoices can be issued in either an individual's or a company's name, with a full VAT receipt on request.
Embassy and authority coordination in South Korea
Apostille issuance in Thailand is centralized at the Department of Consular Affairs (Ministry of Foreign Affairs), 123 Chaeng Watthana Road, Thung Song Hong, Lak Si, Bangkok 10210 (Mon–Fri 08:30–15:30). Once the Document attestation is affixed, the document is accepted directly in South Korea — no diplomatic mission step required. This is the principal advantage of Thailand joining the Convention: an average saving of 5–10 working days and a 30–50% reduction in legalization cost per record set.
Six tips to get Affidavit, Oath & Sworn Declaration accepted in South Korea on the first try
1) Provide a passport bio-page copy for every signer — the South Korea consular post uses it to verify name consistency across the document set.
2) State the intended purpose clearly (e.g. "for use in a work-permit application", "for submission to the receiving government agency") — the appropriate notarial form depends on purpose, even for the same underlying document.
3) Check record validity windows — several embassies (notably many European missions) will not accept Single Status Affidavits or household registration extracts older than six months.
4) Make sure the translation matches the receiving authority's requirements — NPT has native Korean translators in-house and can issue the Translator Affidavit on the same day.
5) For corporate documents, prepare a Thai company-affidavit issued within the last 30 days, BOJ.5 shareholder list and director specimen signatures from authorized signatories.
6) Build a 7–14 day buffer before any hard deadline — MFA and diplomatic mission schedules slow down around Thai public holidays as well as South Korea national holidays.
Frequently asked questions
What steps does a Thai notarized document need before it can be used in South Korea?
Because South Korea is a member of the Hague Apostille Convention — and Thailand's accession took effect on 15 January 2026 — the chain is now only two steps: (1) notarization by a Notarial Services Attorney registered with the Lawyers Council of Thailand, and (2) an Document attestation certificate from the Department of Consular Affairs (MFA). The Apostille is recognized directly in South Korea; no diplomatic mission step is required. Total turnaround: 2–3 business days.
What is the typical total cost for a notarized package destined for South Korea?
Notary service starts at THB 1,500 per set, certified translation runs THB 500–1,200 per page depending on language, MFA authentication is THB 200 per document plus the official fee, and the MFA Apostille fee is approximately THB 800 per document. End-to-end packages usually fall between THB 3,000 and THB 9,000 depending on volume and official rendering needs.
How long will the entire process take for South Korea?
Notarization in 1 day, MFA Apostille in 1–2 business days — about 2–3 commercial days total. An express MFA option can complete the Certificate authentication the next day for an additional fee.
Can your notary travel to my home or office to take the signature?
Yes. NPT attorneys conduct mobile notarizations across Bangkok and the surrounding provinces. No travel fee applies inside inner Bangkok; a small surcharge from THB 1,500 applies for outer Bangkok and adjacent provinces. We also accept original documents via EMS, Kerry or Grab, and we can ship completed packages to South Korea by DHL or EMS International.
Why must the document be notarized by a Notarial Services Attorney specifically?
Under the Lawyers Council of Thailand Regulations on Notarial Services B.E. 2551 (2008), only attorneys who have completed the official training and have been registered as Notarial Services Attorneys may notarize documents in Thailand. The MFA and South Korea consular post verify the attorney's signature against this register — documents notarized by an unregistered lawyer will be rejected at the MFA stage.
Does the document need to be translated before it is presented in South Korea?
Korean or English translations are both accepted under the Apostille framework; agencies typically prefer Korean for end-user submission.
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Real customer questions, answered by our attorneys
Selected from our knowledge base of 3,300+ real questions we have answered.
Do foreign personal income tax payment receipts require MFA legalization for Thai tax use?
Consular / Apostille
Quick summary for expats, HR and law firms to "Do foreign personal income tax payment receipts require MFA legalization for Thai tax use?" — 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.
What scope of services do cross-border documentation networks between Thailand and Laos provide?
Consular / Apostille
Short answer to "What scope of services do cross-border documentation networks between Thailand and Laos provide?" — 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
What acceptance criteria govern foreign electronic notary documents at the Thai MFA?
Consular / Apostille
Practitioner's view to "What acceptance criteria govern foreign electronic notary documents at the Thai MFA?" — 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.
What consular pathways govern foreign oceanographic research vessel entry permits?
Consular / Apostille
Practitioner's view to "What consular pathways govern foreign oceanographic research vessel entry permits?" — 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.
What special attestation rules govern civil documents from neighboring ASEAN nations?
Consular / Apostille
Practitioner's view to "What special attestation rules govern civil documents from neighboring ASEAN nations?" — 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
What attestation standards govern foreign space exploration and satellite launch contracts?
Consular / Apostille
Short answer to "What attestation standards govern foreign space exploration and satellite launch contracts?" — 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).
How are foreign hospitality management and hotel franchise agreements authenticated?
Consular / Apostille
Short answer to "How are foreign hospitality management and hotel franchise agreements authenticated?" — 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.
What comprehensive master strategy ensures 100% compliance when utilizing international documents in Thailand?
Consular / Apostille
How we handle this in practice to "What comprehensive master strategy ensures 100% compliance when utilizing international documents 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
