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Filing for National Pension or Health Insurance After Moving Abroad — Preparing Foreign Documents

After moving abroad, when you claim a National Pension Service lump-sum refund, or file a health-insurance overseas-relocation report or settlement — identity verification is usually handled internally by the caseworker. But if you married abroad or your family status changed, you may need to submit the document proving that from the country where it happened, and that document needs certified translation plus an apostille (or consular legalization). Here's when this applies.

When This Service Is Relevant

  • Claiming a National Pension lump-sum refund or death benefit after moving abroad, where a marriage or family-status change abroad needs to be documented
  • Filing a health-insurance overseas-relocation report as a regional subscriber, where a foreign marriage or family-relations certificate must be submitted
  • Suspending or settling health-insurance premiums, where a family-status change needs to be proven alongside overseas-residence facts
  • An overseas relocation report to the Overseas Koreans Agency that requires a foreign document

What to Prepare

  • The original foreign document (marriage certificate, family-relations record, etc.) and issuing country
  • Whether that country is an Apostille Convention member
  • The receiving Korean agency (National Pension Service, National Health Insurance Service, Overseas Koreans Agency, etc.)
  • Whether a Korean translation is needed (usually yes)

Process Notes

  • A National Pension lump-sum refund claim typically needs an ID copy and a detailed family-relations certificate, but if you consent to information sharing, the caseworker can often verify these directly — separate submission isn't always required. It is required, though, when a marriage or family-status change abroad needs to be proven with that country's own document.
  • Any foreign-issued document you submit needs to be authenticated first in the issuing country — apostille for Convention members, consular legalization otherwise. It cannot be apostilled in Korea instead.
  • For a regional health-insurance subscriber who resides abroad for 3+ months, income and property-based premium components can be excluded from the calculation. An overseas-relocation report that needs a foreign marriage or family-relations certificate requires a certified Korean translation plus apostille (or consular legalization).
  • Exact required documents vary by agency (National Pension Service, National Health Insurance Service, Overseas Koreans Agency) and can change — your agent confirms the current requirement and handles the authentication and translation steps.

Frequently Asked Questions

Do I always need to submit documents for a National Pension lump-sum refund claim?

If you consent to information sharing, items like the basic certificate or family-relations certificate can often be verified directly by the caseworker without separate submission. But if you married abroad or another family-status change needs proving with that country's document, separate submission is required.

Can I just submit a foreign marriage certificate as-is?

No. It needs to be authenticated first in the issuing country — apostille for Convention members, consular legalization otherwise — plus a certified Korean translation.

Why would a health-insurance overseas-relocation report need a foreign document?

If you married abroad or your family status changed, that fact may need to be documented. The foreign document then needs certified translation and authentication.

Where do I confirm exactly which documents I need?

Requirements vary by agency (National Pension Service, National Health Insurance Service, Overseas Koreans Agency) and can change, so your agent confirms the current requirement for your case.

Need This Document Authenticated?

Share your document and the requesting authority. We'll connect you with an agent who coordinates authentication and any required follow-on steps.