A consent to disclose health information and power of attorney — what should you know about the translation and legalisation sequence for overseas use?

The case under review is “A consent to disclose health information and power of attorney”, so the answer below starts with what this case actually needs before setting out the general rules. Before starting, ask in advance which category of certified translator the destination accepts, then plan the timeline so certification finishes before the real filing deadline, then keep a digital copy of every page, including seals and signatures. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. The common failure in this group of cases is a translation that does not match the certification type required. The terms that frame this page are consent · disclose · health · information. The specifics here are document type: Consent, 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. High-resolution photos of seals and signatures help when the destination asks for re-verification. If the receiving body confirmed its requirements by email, keep that message with the file. When several certification layers are required, start with the slowest one. Plan the schedule with room for at least one review cycle at the receiving office. 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. 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. For Australia, government agencies and courts require non-English documents to be accompanied by a translation from a NAATI-certified translator; the translation carries the stamp, practitioner number and certification expiry on its face. ILC handles document work only — translation, certification of the translation, notarial signature certification and the legalisation run at the Ministry of Foreign Affairs and embassies. ILC is not a medical facility or an insurer, gives no clinical advice, and cannot guarantee any authority's decision. 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