Certification of the Existence of Documents for Use in Mongolia
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 Certification of the Existence of Documents for use in Mongolia can complete the entire chain with NYC Legal & Notary Service Co., Ltd. — because Mongolia 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 Mongolia every year.
Common uses in Mongolia: Marriage registration · Family residence permit · Mongolia Immigration 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 Mongolia
~THB 1,500
Why clients shipping to Mongolia choose NPT
Attorneys registered on the Lawyers Council Notarial Services Attorney list — the MFA and Embassy of Mongolia 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 Mongolia — we know the exact formats receiving authorities accept.
In-house certified translation in every language, including the official language(s) of Mongolia.
Direct DHL / EMS dispatch to Mongolia from approximately THB 1,500 per set.
Service overview for this area
"Certification of the Existence of Documents for use in Mongolia" 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 Mongolia, covering every category the receiving authorities recognize, including Marriage registration · Family residence permit · Mongolia Immigration filings. For Mongolia, 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 record set, with end-to-end turnaround of 2–3 business days depending on the diplomatic mission schedule. NPT manages the entire chain — notarization by a registered Thai attorney → certified translation (Translator Affidavit) → MFA → diplomatic mission → international courier to Mongolia via DHL or EMS — so clients never have to travel between government offices.
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Why Thai documents bound for Mongolia must first pass a Thai Notary Public
Mongolia is one of the most frequent destinations for documents notarized at NPT. Any Thai-issued instrument used officially in Mongolia must travel through the "international document recognition chain" so that the receiving authority can verify that the record 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 diplomatic mission 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 Diplomatic mission of Mongolia 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 Certification of the Existence of Instruments use-case bound for Mongolia, the documents we notarize most often are Marriage registration · Family residence permit · Mongolia Immigration filings. Our team has processed more than one thousand documents per year destined for Mongolia and is familiar with the exact format the receiving authorities expect, keeping the rejection rate below 0.5%.
Six Certification of the Existence of Documents document types most commonly sent to Mongolia
Based on NPT's internal caseload, the six document types most frequently notarized for Mongolia are: (1) Parental Consent for Minor Travel; (2) Trademark Assignment Agreement; (3) Translator Affidavit (Certificate of Translation Accuracy); (4) Certified Copy of Thai ID; (5) Certified Copy of House Registration (Tabien Baan); (6) Attested Copy of Thai ID.
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 Mongolia 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 Mongolia
Thailand acceded to the Hague Apostille Convention with effect from 15 January 2026, and Mongolia has been a member since 2009. 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 — Document attestation 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 paperwork is immediately recognized in Mongolia — no consular post step is required.
Total wall time: 2–3 corporate days. Typical end-to-end cost: THB 3,000–5,000 per document set, depending on translation needs.
Real engagements NPT has handled for Mongolia
Case 1 — A Thai family joining their spouse in Mongolia requires a notarized Parental Consent for Minor Travel and a translated marriage certificate accepted by Mongolia authorities. NPT prepared the documents in the format required by the receiving authority, coordinated the consulate and MFA queues, and delivered the legalized set within three business days.
Case 2 — A Thai family joining their spouse in Mongolia requires a notarized Parental Consent for Minor Travel and a translated marriage certificate accepted by Mongolia authorities. NPT issued the underlying affidavit, prepared the certified translation with a Translator Affidavit in the format Mongolia requires, and delivered the package in time for the client's departure date.
Case 3 — A scholarship applicant for a graduate program in Mongolia needs notarized transcripts, degree certificates and an Affidavit of Financial Support from a parent or sponsor. NPT's corporate team advised on board-resolution drafting, specimen-signature procedures and prepared the full corporate notarization bundle accepted by the registrar in Mongolia.
Case 4 — A Thai family joining their spouse in Mongolia requires a notarized Parental Consent for Minor Travel and a translated marriage certificate accepted by Mongolia authorities. Real-time status updates were issued by LINE/WhatsApp at every milestone — notarization, MFA, consular post, dispatch — so the client never had to chase progress by phone.
Transparent pricing for Certification of the Existence of Documents bound for Mongolia
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 record (official fee paid directly to MFA, no NPT surcharge)
• Return delivery to the client or onward shipment to Mongolia — EMS within Thailand from THB 100; DHL International to Mongolia from THB 1,500 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 Mongolia
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 Mongolia — no consulate 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 Certification of the Existence of Documents accepted in Mongolia on the first try
1) Provide a passport bio-page copy for every signer — the Mongolia diplomatic mission 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 in-language 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 Mongolia national holidays.
Frequently asked questions
What steps does a Thai notarized document need before it can be used in Mongolia?
Because Mongolia 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 Legalization certificate from the Department of Consular Affairs (MFA). The Apostille is recognized directly in Mongolia; no diplomatic mission step is required. Total turnaround: 2–3 business days.
What is the typical total cost for a notarized package destined for Mongolia?
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 language conversion needs.
How long will the entire process take for Mongolia?
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 Mongolia 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 Mongolia diplomatic mission 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 Mongolia?
English is typically the broadest-accepted target language. Some agencies in Mongolia may additionally require a translation into the local language — NPT's in-house official rendering desk advises based on the receiving authority.
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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.
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).
How does the Chinese Embassy in Bangkok process corporate document legalizations for use in Thailand?
Consular / Apostille
Short answer to "How does the Chinese Embassy in Bangkok process corporate document legalizations for use 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.
What verification rules apply to foreign digital asset and cryptocurrency exchange licenses?
Consular / Apostille
How we handle this in practice to "What verification rules apply to foreign digital asset and cryptocurrency exchange licenses?" — 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 to notarize an Affidavit of Freedom to Marry for foreigners in Thailand?
Notary Public
Quick summary for expats to "How to notarize an Affidavit of Freedom to Marry for foreigners in Thailand?" — 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 since 14 February 2025) before use overseas. Standard turnaround is 1 business day; same-day service is available by appointment for straightforward files. Free consultation on LINE @Thainotary or call 094-895-8999 (Mon–Sun 08:00–20:00 ICT).
How do international driving permits undergo local verification in Thailand?
Consular / Apostille
How we handle this in practice to "How do international driving permits undergo local verification 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. Send a photo of the document to LINE @Thainotary and we will quote the chain, cost and timeline within 15 minutes.
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 regulatory guidelines govern foreign luxury yacht charter operation permits in Thailand?
Consular / Apostille
Quick summary for expats, HR and law firms to "What regulatory guidelines govern foreign luxury yacht charter operation permits 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).
