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법률칼럼Legal InsightForeigner2026. 05. 19

Drug possession as a foreigner and aftermath&How to deal with it

Foreign Drug Possession Cases and Immigration Status in Korea Even if a foreigner receives a sentence for drug possessio

 

Foreign Drug Possession Cases and Immigration Status in Korea

Even if a foreigner receives a sentence for drug possession charges, their immigration status may still be preserved depending on how they respond during the subsequent offender review process. The ability to remain in Korea is determined by how well the procedures—from the early stages of the case to immigration review—are prepared and handled.

When a foreigner is involved in drug possession or use in Korea, the investigation procedures are applied the same as for Korean nationals. However, the real issue arises afterward. Regardless of the trial outcome, immigration authorities may take separate follow-up actions, making it risky to rely solely on the criminal verdict when planning a response.

i
Criminal judgment alone does not determine a foreigner's ability to remain in Korea.
Immigration authorities may conduct separate reviews after criminal procedures, and the response strategy should consider both criminal and immigration-related procedures.

① What punishment can a foreigner face for drug possession?

The severity of punishment can vary depending on how the act is classified. In South Korea, related crimes are categorized and handled according to legal standards, and different standards are not applied just because the person is a foreigner.

There’s a clear difference in sentencing between simple drug use and importation with the intent to transport.

CHECK POINT
Drug-related offenses may be classified differently depending on the circumstances.
Use
Injecting or inhaling prohibited substances into the body.
Possession
Holding a certain quantity of drugs, regardless of intended use.
Punishment (Use or Possession)
Up to 10 years of imprisonment or a fine of up to ₩100 million KRW.
Transport or Importation
When drugs are brought into Korea from the home country or a third country. Punishment: Life imprisonment or imprisonment of at least 5 years.

② After criminal procedures, deportation measures are carried out separately.

Just because the trial is over doesn’t mean the person is free to remain in Korea. Even if a foreigner undergoes investigation and completes the trial for drug possession, immigration authorities handle the matter separately.

RESULT
Deportation Order
After a criminal conviction is finalized, foreigners are often required to leave Korea within a specified period.
Restriction on Re-entry
After deportation, entry into Korea may be restricted for a certain period.
Invalidation of Existing Visa
Once a deportation order is issued, extending, changing, or reapplying for a visa may become difficult depending on the circumstances.

③ How should I respond to drug possession cases?

The outcome can vary significantly depending on how the charges are approached—even if the accusations are the same. When a foreign national is investigated for drug-related offenses in Korea, it is necessary to consider not only statutory penalties but also how the actual incident is interpreted.

RESPONSE
Initial statements
Initial statements made during the investigation may influence the direction of the case.
Evidence collection process
The circumstances under which evidence was obtained should be carefully reviewed.
Immigration-related response
Criminal procedures and immigration procedures should be considered together when preparing a response.

④ Why is the help of a legal representative necessary in drug possession cases?

There’s a major difference between responding with full understanding of the process and doing so without it. When a foreigner is investigated for a drug-related incident in Korea, numerous procedures unfold over a short period of time.

To establish a clear strategy and response plan that takes all aspects of the case into account, it is highly recommended to seek assistance from a legal representative experienced in these matters.

Final Words

Foreign drug-related cases cannot be resolved solely through criminal judgment. Even after investigation and trial, immigration authorities often conduct separate evaluations, which can affect the foreigner’s ability to remain in Korea.

Due to language barriers and institutional complexity, it is realistically difficult for foreigners to handle all procedures on their own. A strategic response plan tailored to each stage is necessary.

Foreign Specialized Support at Majung Foreigner Center
Multilingual consultation available in English and Chinese.
Professional interpreters assist from the first consultation to the conclusion of the case.
Offices in Seoul, Daejeon, Busan, Daegu, and Gwangju.

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