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Jin & Kim, PLC | Legal Blog

This is the official blog of Jin & Kim, PLC, an international law firm with Korean and U.S.-licensed attorneys in Busan and California, advising foreign companies and individuals on legal matters throughout Korea and Korea-related international matters.

In addition to our firm website, we maintain this blog to share practical, up-to-date legal information and to offer a faster way to reach our attorneys.

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Document Authentication

How Do You Authenticate Korean Documents for Use in China?

Jin & Kim, PLC 2026. 8. 1. 23:16

Short Answer

If you plan to use a Korean document in China, the required authentication process depends on the applicable authentication route, the type of document, and the requirements of the receiving authority.

Before preparing your documents, you should confirm the authentication requirements applicable to Mainland China, Hong Kong, or Macau, as well as the specific requirements of the authority where the documents will be submitted.

Which Korean Documents Commonly Require Authentication?

Documents frequently authenticated for use in China include:

  • Powers of Attorney (POAs)
  • Corporate documents (board resolutions, articles of incorporation, certificates)
  • Commercial contracts and agreements
  • Corporate Registry Certificates
  • Academic certificates and diplomas
  • Marriage, birth, and family relationship certificates
  • Criminal record certificates
  • Court documents

The required authentication procedure may vary depending on the document type and intended use.

Is Notarization Required?

Often, yes.

Many private documents, including Powers of Attorney, board resolutions, shareholder resolutions, and declarations, are commonly notarized before proceeding to international authentication.

Government-issued public documents may follow a different procedure depending on the document and the receiving authority.

Apostille or Consular Legalization?

The appropriate authentication route should always be confirmed before submission.

Depending on the applicable requirements, Korean documents may proceed through:

  • Apostille, where accepted by the destination and receiving authority; or
  • another authentication procedure, where required by the applicable rules.

Because authentication requirements may differ between Mainland China, Hong Kong, and Macau, parties should always verify the current requirements before beginning the process.

Do the Documents Need to Be Translated?

Frequently, yes.

Many Chinese authorities require documents to be accompanied by:

  • a Chinese translation;
  • a certified or notarized translation; or
  • another form of translation accepted by the receiving authority.

Translation requirements vary depending on both the document and the authority reviewing it.

Common Reasons for Rejection

Common issues include:

  • using the incorrect authentication procedure;
  • submitting incomplete corporate documentation;
  • inconsistencies in names, signatures, or company information;
  • translation errors or outdated translations; or
  • failing to satisfy authority-specific requirements.

Most of these issues can be avoided through proper planning before authentication begins.

Practical Considerations

Before authenticating Korean documents for use in China, it is advisable to confirm:

  • the receiving authority;
  • whether the documents will be used in Mainland China, Hong Kong, or Macau;
  • the required authentication procedure;
  • whether notarization is necessary;
  • translation requirements;
  • document validity periods; and
  • any additional submission requirements.

Early verification can significantly reduce delays, repeated processing, and unnecessary costs.

Conclusion

The authentication requirements for Korean documents intended for use in China depend on where the documents will be submitted, the type of document, and the receiving authority's requirements.

Confirming the correct authentication procedure before notarization, translation, and submission is the most effective way to avoid rejected filings and unnecessary delays.

Need advice on your situation?

Speak with our attorneys by submitting your inquiry through this blog’s contact form or messaging us directly on . We will get back to you promptly, usually within the same business day.

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