One apostille does not automatically cover both a Korean original and its translation. If an overseas school, employer or office asks for an “apostilled translation,” ask whether it wants the original Korean document authenticated, the translation authenticated, or both. Get that answer before ordering a translation or paying a notary. The Korean consular apostille guide treats the issuing authority’s original and a translated text as separate document objects.
Identify the document the recipient will inspect
Send the receiving institution a precise question: “Do you need an apostille on the Korean-issued original, on a notarized translation, or on each?” Include the document type, destination country and intended use. Also ask which language, translator or notary requirements it applies and whether it accepts an electronically issued document. Confirm that the destination uses the apostille route; the consular guide distinguishes participating countries from countries needing consular legalization. Its answer controls what you prepare; a consular explanation from one location does not set every recipient’s acceptance rule.
If the institution needs the Korean-issued document apostilled, start with the correct original or eligible official electronic document. If it needs the translation itself apostilled, the consular guide’s sequence is to notarize that translation first, then seek an apostille for the resulting notarized document. An apostille placed on the original alone does not authenticate the translation as a separate object. Do not pay for both routes merely because you have two pieces of paper; confirm the requirement first.
Choose the issue route for each required object
Check Korea’s e-Apostille service for the specific document type and its issue or verification route. Do not assume every paper original or notarized translation can be processed online. If the object is not supported there, ask the document issuer or relevant apostille service which paper, visit or postal route applies before sending an original away.
Keep the recipient’s written requirement with the issued document and translation. If it rejects the package, ask which object, seal, signature, language or format failed before repeating the entire process. The consular guide says translation notarization records the applicant’s statement that it matches the original. An apostille authenticates the relevant official signature or seal chain; it does not replace the recipient’s language or document requirements.
Official Korean consular guidance and e-Apostille service checked October 5, 2026 KST.