Submitting an insurer's claim form to Japan — how must it be translated and certified?

What the enquirer needs to know is “Submitting an insurer's claim form to Japan”, so the answer below starts with what this case actually needs before setting out the general rules. Before starting, check that names are spelled identically to the passport or ID card on every page, then confirm with the receiving body whether it wants an original, a certified copy or a certified translation, then count the number of certified sets needed before work starts, because extra sets restart the certification steps. The most frequent cause of delay in this group is missing supporting documents on the first submission. A key variable is the filing channel (in person, agent or online), which sets the copy format to prepare. The terms that frame this page are Submitting · insurer's · claim · form. The specifics here are document type: Claimform; destination: Jp, and those decide which translation and certification level applies. Once the set is complete, check it line by line against the destination's own checklist before filing. If the receiving body confirmed its requirements by email, keep that message with the file. Record the reference number of each certification layer; it is the fastest way to trace status. With a fixed filing date, count backwards from it and book each certification step in reverse. Public holidays and embassy closures move certification queues more than most people expect. A Thai-issued medical document intended for a foreign authority normally follows this order: obtain the original from the facility, have it translated by a translator the destination accepts, certify the translation at the Legalisation Division, Department of Consular Affairs, Ministry of Foreign Affairs, then obtain the destination embassy's attestation where required. Each step verifies only what falls within its own authority. A medical translation must preserve the diagnosis, disease codes, drug names, dosages, units and result values exactly as written — no rounding, no unit conversion, no summarising. Where the original is illegible handwriting, the facility should be asked for a typed version or a written confirmation rather than the meaning being guessed. Thailand deposited its instrument of accession to the Apostille Convention on 30 June 2026, but the Convention is not yet in force for Thailand. In practice the traditional route through the Department of Consular Affairs and the destination embassy still applies until entry into force is formally announced. Cost and lead time depend on page count, the density of clinical terminology, the target language and the certification steps required, so every file is quoted before work starts. Send scans of the medical paperwork together with the written requirements from the hospital, insurer or receiving authority via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

ปรึกษาฟรี — LINE @NAATI · โทร 080-5578887 · อีเมล ilc@thainotary.co.th