Submitting a letter of graduation to South Korea — how must it be translated and certified?

The scope of this answer is “Submitting a letter of graduation to South Korea”, so the answer below starts with what this case actually needs before setting out the general rules. If any requirement is still unclear, send a sample image to the receiving body before producing the full set. The terms that frame this page are Submitting · letter · graduation · South. The specifics here are document type: Graduation; destination: Kr, and those decide which translation and certification level applies. Before starting, plan the timeline so certification finishes before the real filing deadline, then ask in advance which category of certified translator the destination accepts, then make sure document numbers, issue dates and issuing-office names match across the set. What sets this case apart is the number of certified sets and the window in which they must be used. The deciding factor is the receiving body's requirement, not only the format of the Thai-side document. High-resolution photos of seals and signatures help when the destination asks for re-verification. Attach a document index to the bundle so nothing is lost during review. Leave buffer time in case a translation has to be amended or a source document re-issued. Plan the schedule with room for at least one review cycle at the receiving office. Some institutions accept documents only when sent directly by the school, so confirm the channel before translating. Degree titles, field names and grading scales follow the issuing institution's official wording rather than a fresh interpretation. A Thai educational document intended for overseas use is normally translated into the language the destination requires, then legalised by the Legalisation Division of the Department of Consular Affairs, Ministry of Foreign Affairs, and where the destination requires it, further legalised by that country's embassy or consulate. Many credential-evaluation bodies require the institution itself to send documents in a sealed envelope or through the institution's own electronic channel; an applicant or translator copy is not accepted as a substitute, so the body's own handbook must be read before translation is ordered. 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; always confirm the current requirement with the receiving authority before filing. Cost and lead time depend on page count, 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 institution's own instructions via LINE @NAATI, call +66 80-557-8887 or email ilc@thainotary.co.th.

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