Case example — Legalisation: medical certificate (Chai Nat → use inside Thailand)

Illustrative scenario compiled from commonly encountered case patterns. It is not a client record and is not legal advice for any specific matter.

Situation summary

A Indian national residing in Chai Nat needs a medical certificate for incorporating a company or branch abroad in use inside Thailand. The engagement covers certified translation · MFA consular legalisation · destination embassy legalisation. The main risk to manage is: Name spellings differ between documents (Thai versus English). Indicative timeframe roughly 5–7 working days, subject to the agency's queue.

Applicant	A Indian national residing in Chai Nat
Area	Chai Nat (Central Thailand)
Document	medical certificate
Destination	use inside Thailand — the receiving authority in Thailand
Purpose	incorporating a company or branch abroad
Services used	certified translation · MFA consular legalisation · destination embassy legalisation
Indicative timeframe	roughly 5–7 working days (subject to agency queue)

Steps we handle

Establish how many layers of certification the receiving authority in Thailand requires and which channel the destination embassy accepts applications through.
Obtain a freshly issued medical certificate and prepare the translation in a format the Department of Consular Affairs can certify.
File the legalisation request with the Department of Consular Affairs first, then submit to the destination embassy.
Translate using the issuing authority's official names and reconcile every reference number and date with the original.
File the legalisation request with the Department of Consular Affairs, Ministry of Foreign Affairs, within the queue it operates.
Complete the further legalisation step at the receiving authority in Thailand as the destination requires.
Run a final checklist before handover and flag the follow-up risks if the receiving authority asks for further documents.

Documents to prepare

Power of attorney with ID copies of both grantor and attorney
Original medical certificate
Original Freshly issued civil registry document
Translation prepared in a format the Department of Consular Affairs can certify

Common rejection cause and how to avoid it

Watch out for: Name spellings differ between documents (Thai versus English)

How to prevent it: Check every spelling against the passport before signing and attach the name-change certificate where one exists

Frequently asked questions about this case

How many steps does a medical certificate in Chai Nat take before it can be used in use inside Thailand?

Based on how these files are usually handled, this type of file runs through 7 main steps, starting with "Establish how many layers of certification the receiving authority in Thailand requires and which channel the destination embassy accepts applications through." and ending with "Run a final checklist before handover and flag the follow-up risks if the receiving authority asks for further documents.". The receiving body is the receiving authority in Thailand, which checks both the content and the order of certification. Skipping a step usually means the file is returned and the process restarts.

Which documents do I need to prepare for this medical certificate case?

Prepare Power of attorney with ID copies of both grantor and attorney · Original medical certificate · Original Freshly issued civil registry document · Translation prepared in a format the Department of Consular Affairs can certify before the first step. Names in English must match the passport spelling on every document, and a freshly issued copy is safer when the receiving authority sets a validity window.

How long does the process take?

Based on how these files are usually handled, the working estimate is roughly 5–7 working days, depending on government queues and public holidays. Allow extra time when several layers of certification are required or when originals travel between provinces.

What most often causes this document to be rejected?

Name spellings differ between documents (Thai versus English) — the fix is: Check every spelling against the passport before signing and attach the name-change certificate where one exists. Checking this single point before filing removes the most common cause of a second round.

Can this be handled remotely from outside Chai Nat?

Yes. Most clients in Chai Nat send photos of the documents for a pre-check, then courier the originals. Our team files, follows up with the authority, and ships the finished documents back to the address provided.

Where can I verify the official requirements?

Following the order the authorities expect, verify with Department of Business Development, Ministry of Commerce (https://www.dbd.go.th/), which Company registration records, certified company affidavits, and registered-name verification.. Government fees and timelines can change, so confirm before filing.

Official source

Department of Business Development, Ministry of Commerce — Company registration records, certified company affidavits, and registered-name verification.

Government fees and processing times can change. Always confirm with the authority before filing.

More case examples in Chai Nat

Real-world examples handled in the same province, both in this service and in the services that usually follow it.

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International Document Services

With "International Document Services", the outcome is decided by certification order rather than translation alone. We map the full International Document Services routing before anything is filed, so the chain holds at the destination office. We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. The handling team includes attorneys registered as Notarial Services Attorneys with the Lawyers Council of Thailand, translators recognized by the Ministry of Justice, and consular liaison officers. The written quote lists the professional fee, official government rates with no markup, and shipping at cost — no hidden extras — under either a standard 5-7 business day or a rush 1-3 business day schedule.

International Document Services — service overview

With "International Document Services", the outcome is decided by certification order rather than translation alone. We map the full International Document Services routing before anything is filed, so the chain holds at the destination office.
We handle files from Bangkok, upcountry, and overseas clients working through a power of attorney. The handling team includes attorneys registered as Notarial Services Attorneys with the Lawyers Council of Thailand, translators recognized by the Ministry of Justice, and consular liaison officers.
The written quote lists the professional fee, official government rates with no markup, and shipping at cost — no hidden extras — under either a standard 5-7 business day or a rush 1-3 business day schedule.

International Document Services document checklist

Original document required for International Document Services (or a freshly issued certified copy within its validity window)
Copy of national ID or passport, signed and dated as a true copy
Power of attorney (if a representative will handle it) with a 30 THB revenue stamp
Destination details: country, receiving authority, purpose, and required deadline

How International Document Services runs, stage by stage

1. Send scanned copies of the International Document Services source documents via LINE/email for a free initial review.
2. We confirm eligibility and issue a written quote with a committed turnaround.
3. You deliver originals to our office (or book a Bangkok pickup) and pay a 50% deposit.
4. We translate, certify, and submit to each Thai authority in the order the destination accepts.
5. Final documents are scanned and emailed for your review before physical dispatch.
6. We ship by EMS domestically and DHL/FedEx internationally, with tracking numbers.

Timeline and fees for International Document Services

Standard turnaround for International Document Services: 5-7 business days from receipt of complete originals.
Rush turnaround: 1-3 business days (rush surcharge applies).
Government fees are charged at official rates with no markup.
Domestic EMS at Thailand Post rates; international DHL/FedEx at actual weight-based rates.

Why International Document Services filings get rejected

Submitting an uncertified photocopy instead of the original — the receiving office will not review it and you rejoin the queue.
Using a translator without an official seal — the MFA and embassies will not accept it, and the chain restarts.
Dates that disagree across documents — this must be fixed at the issuing agency; it cannot be corrected at the translation stage.
Name mismatch between the document and the passport — embassies reject these. Correct it at the district office before translating.

FAQ

How long does International Document Services take?: Standard turnaround is 5-7 business days; rush is 1-3 business days, counted from receipt of complete originals.
Do I have to visit the office?: No. Send originals by EMS or book a Bangkok pickup; completed documents are returned by domestic post or international courier.
What do you need to start International Document Services?: A photo or scan of the original plus the destination country and receiving authority. We review it free of charge and reply with the shortest valid routing.
Will the International Document Services result be accepted abroad?: It depends on the destination. Hague Convention member states accept an apostille directly; non-member states need an additional embassy legalization step.