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 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 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 Consulate 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 Witnessing of Contracts and Paperworks 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 Witnessing of Contracts and 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) Educational Credential Affidavit; (2) Certified True Copy of Passport; (3) Patent Assignment Agreement; (4) BOJ.5 Shareholders List; (5) Specimen Signature of Directors; (6) BOJ.5 Shareholders List.
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
Mongolia is not yet a party to the Hague Apostille Convention (non-Hague jurisdiction), so the full three-step legalization chain remains in force: Step 1 — Notary Public at NPT: a Notarial Services Attorney executes the notarization either at our Lat Phrao 95 office or at the client's location. Time required: 30–60 minutes. Step 2 — MFA authentication, Department of Consular Affairs, Chaeng Watthana: NPT's runner team files the document at the MFA (1-day express or 2-day standard). The MFA verifies the attorney's signature against its register and stamps its own authentication. Step 3 — Consulate of Mongolia (สถานทูตมองโกเลีย): NPT presents the MFA-authenticated document at the consulate. Processing time is MFA legalization + destination-embassy chain (Paperwork attestation only from 28 February 2027); fees follow each mission's published schedule. Some embassies require advance appointments, others accept walk-ins — our team handles whichever protocol applies. Total wall time: 5–14 business days, depending on the diplomatic mission's calendar. Typical end-to-end cost: Request a quote per document set.
Real engagements NPT has handled for Mongolia
Case 1 — A Thai company opening a subsidiary in Mongolia must notarize its board resolution, Articles of Association and director specimen signatures for the local company registrar. 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 seven business days.
Case 2 — A Thai company opening a subsidiary in Mongolia must notarize its board resolution, Articles of Association and director specimen signatures for the local company registrar. 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 foreign national marrying a Thai citizen plans to register the marriage in Mongolia; the Single Status Affidavit issued by the Thai district office must be translated, notarized and legalized. 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 company opening a subsidiary in Mongolia must notarize its board resolution, Articles of Association and director specimen signatures for the local company registrar. 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 Witnessing of Contracts and Documents bound for Mongolia
NPT issues a written quotation before any work begins, with no hidden surcharges:
• Notary by a registered attorney — from THB 1,500 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).
• Consular post of Mongolia legalization — per the consulate's tariff (typically THB 800–3,000 per instrument); NPT charges a per-trip runner fee from THB 500.
• 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
Documents already authenticated by the MFA must be presented at the สถานทูตมองโกเลีย, Bangkok. The diplomatic mission's standard processing time is MFA legalization + destination-consular post chain (Apostille only from 28 February 2027). NPT's runner team is familiar with each Bangkok embassy's protocols — walk-in versus appointment-only, fee schedules, accepted document formats — which materially reduces the chance of rejection on minor format issues.
Clients outside Bangkok do not need to travel: send the originals to our Lat Phrao 95 office by EMS or Kerry and NPT executes the notarization, MFA filing, consulate legalization and final dispatch — either back to the client or onward to Mongolia by DHL International.
Six tips to get Witnessing of Contracts and Documents accepted in Mongolia on the first try
1) Provide a passport bio-page copy for every signer — the Mongolia consulate 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 instrument 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.
