휴·폐업 등으로 소득이 줄었거나 재산을 매각한 경우에는 퇴직·해촉증명서, 소득금액증명원, 등기부 등본 등 서류를 준비해 가까운 공단지사에 조정신청을 하면 보험료를 조정받을 수 있다.
If your income has been decreased due to the temporary closure of your business or shutdown, or if you have sold your property, by preparing documents such as a certificate of retirement or dismissal, a certificate of income amount and a certified copy of the register, you can adjust the insurance premium at the nearest branch office of the National Health Insurance Service.