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Korea: Improvements to tax audit process

Effective from April 2026

May 21, 2026

The National Tax Service (NTS) has introduced improvements to the tax audit process, effective from April 2026.

  • The NTS revised its internal guidelines to notify corporations of their selection for regular tax audits earlier than under prior practice, and to allow taxpayers to choose the commencement timing of regular tax audits within a designated period.
  • In addition, the NTS has focused on reducing uncertainty surrounding tax audits by disclosing key audit focus areas in advance.

Read a May 2026 report prepared by the KPMG member firm in Korea

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