Unpaid Taxes or Health Insurance and Your Stay Extension in Korea

If you have overdue taxes or health insurance premiums and your stay is about to expire, it is natural to worry that the extension will be refused. No rule says arrears automatically block every extension, but immigration offices can check arrears information during stay permit reviews, and some statuses treat arrears as an explicit requirement. Here is what is checked and what it can lead to.

Key points

• When reviewing stay permits, the Ministry of Justice can request tax arrears, health and long-term care insurance arrears, and unpaid administrative fine information from other agencies.
• Tax arrears are reviewed under a separate Ministry guideline on foreigners in arrears, and the F-2-99, F-5 and E-7-4 statuses list arrears as an explicit requirement.
• The safest order is to pay in full, obtain proof such as a tax payment certificate, and then apply.

1. Immigration offices can see arrears information

Article 78 of the Immigration Act allows the Minister of Justice to request information from other agencies in order to review permits related to a foreigner's stay. That information includes tax payment certificates, a foreigner's tax arrears information, national health insurance and long-term care insurance arrears information, unpaid administrative fine information, and records of paid fines. Agencies that receive such a request cannot refuse without a legitimate reason, so assuming "they won't know unless I tell them" does not hold.

2. How arrears count for each status

The stay manual mentions arrears directly in these places.

1. Other long-term residence (F-2-99): a change of status is restrained if, as of the application date, you are in arrears on taxes covered by the guideline. For extensions, tax arrears are also reviewed under the same guideline.
2. Permanent residency (F-5): unpaid national, local or customs taxes, or unpaid health insurance premiums or administrative fines, are treated as a negative effect on public finances. If this applies to the applicant, the applicant fails the self-sufficiency requirement; if it applies to a family member, that person is left out of the income calculation.
3. Change to skilled worker (E-7-4): people in tax arrears are excluded but may apply once they pay in full. A history of stay permits being restricted because of tax arrears also costs up to 15 points depending on the number of times, counting only restrictions within 10 years of the application date.

The employer's arrears matter too. For E-7 invitations and E-7-4 employment, a company with unpaid national or local taxes is excluded.

3. Unpaid health insurance also stops your benefits

Under the National Health Insurance Act, a foreign regional subscriber who is one month or more behind on premiums cannot receive insurance benefits from the date of arrears until the premiums are paid in full. Statuses that follow the same rules as Korean nationals, such as marriage migrant (F-6) and permanent resident (F-5), fall outside this special rule, and for certain statuses set by the Enforcement Decree, benefits can still be provided if the total number of unpaid months is fewer than three. Because it affects both medical costs and stay reviews, it is better not to let it build up.

4. Large tax debts can lead to an exit suspension

Under Article 29 of the Immigration Act, the Minister of Justice may suspend the departure of a foreigner who, without a legitimate reason, has not paid taxes at or above the amount set by Presidential Decree by the due date. The Decree sets those amounts at 50 million won for national tax, 50 million won for customs duties and 30 million won for local tax, and the suspension period is up to three months. Apart from the extension question, this can affect your travel plans.

5. If you have arrears, deal with them in this order

1. Check your stay expiry date first. Once it passes, you are overstaying regardless of the arrears, so also see what to do if you missed your extension.
2. Check what is unpaid. Get a national tax payment certificate and a local tax payment certificate, and check whether any health insurance premiums are outstanding.
3. Pay in full. The manual uses full payment as the benchmark, as in "may apply once paid in full."
4. Prepare proof of full payment. Permanent residency requires official documents showing full payment, and submission may be waived if the system shows nothing is unpaid.
5. Apply before the expiry date. If you are refused, check how to respond to an extension refusal for what to do before your departure deadline. Other conduct requirements, such as criminal records, are covered in criminal records and permanent residency.

6. How an administrative agent can help

We can help you check your arrears and stay timeline, prepare documents for a stay extension, status change or permanent residency application, write a statement explaining how the arrears arose and that they have been paid, and translate foreign-language documents. Tax appeals and representation in criminal cases or lawsuits are outside the scope of an administrative agent's work, so we do not take them on.

If you have arrears, settle them and gather the certificates before you file the extension.

You can find guidance on stay extensions and other residence services on HiKorea.