Who uses this
Residents who can authenticate online (subject to eligibility).
What to prepare
ID (ARC), tax-related evidence (payroll, contract, etc.), and business registration number if applicable.
Where to apply
Local District Tax Office or Hometax (hometax.go.kr) / Sontax mobile app.
Note: Unofficial guide by WorkPass Korea. Use the official link for the authoritative form and requirements.