Submitting a Thai national identity card to South Korea — how must it be translated and certified?

The scope of this answer is “Submitting a Thai national identity card to South Korea”, so it flags what usually causes documents like this to be rejected before summarising the general practice. After certification, scan the full set before it leaves your hands. Keep certified copies, because registry documents are usually requested again at the next stage. Romanised spelling follows the passport so the destination office does not read two different people. If multiple certified sets are needed, order them all in the first round to avoid re-queuing. When several certification layers are required, start with the slowest one. Attach a document index to the bundle so nothing is lost during review. Record the reference number of each certification layer; it is the fastest way to trace status. Judgments used abroad need the court's certificate that the case is final. The registrar's seal must be legible on the copy being certified or the destination may refuse it. The specifics here are document type: Id; destination: Kr, and those decide which translation and certification level applies. The terms that frame this page are Submitting · Thai · national · identity. The most frequent cause of delay in this group is missing supporting documents on the first submission. The point to fix before starting is the real deadline, so the steps can be scheduled backwards from it. 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. A Thai civil registration document for overseas use is normally translated into the language the destination requires, then legalised by the Legalisation Division, Department of Consular Affairs, Ministry of Foreign Affairs, and where required further legalised by the destination country's embassy or consulate. Most receiving authorities want a registrar-certified copy of the register rather than a photocopy made by the holder, because the certified copy carries the registrar's signature and seal that the Ministry of Foreign Affairs can verify; obtain a freshly issued certified copy before starting the translation and legalisation steps. Thailand deposited its instrument of accession to the Hague Apostille Convention on 30 June 2026, but the Convention is not yet in force for Thailand, so consular legalisation through the Ministry of Foreign Affairs and the relevant embassy remains the working route; confirm the current requirement with the receiving authority before filing. Cost and lead time depend on the number of documents, the language pair and the certification steps the receiving authority requires, so every file is quoted before work starts. Send a scan of the documents together with the receiving authority's own instructions via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

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