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법률칼럼Legal Insight2026. 05. 19

Why You Must Remain Cautious Even After Police Investigation and Punishment for Suspected Illegal Foreign Exchange Transactions

  In overseas remittances, the issues that most often cause problems are “who” sent the money and “how” it was sent.   Even if the transfer was simply for living expenses, it may be suspected as illegal if the money passed through a third party’s account or involved cash collection.   Once such suspicion arises, investigative authorities may initiate a police investigation on charges of illegal foreign exchange transactions, which can later lead to criminal punishment.   Because the procedures can be overwhelming to handle alone, seeking assistance from a legal representative at an early stage is far more effective in minimizing potential damage.    

Contents

 
1. If overseas funds are received and handled without proper reporting, it can lead to legal issues.
 
2. The moment a transaction is suspected of involving Hwanchigi, an investigation can begin rapidly.
 
3. Even if the case ends with criminal punishment, immigration or residency issues are not automatically resolved.
 
4. Allegations of illegal foreign exchange transactions are difficult to handle without professional legal assistance.
 
5. A response strategy that takes residency and immigration status into account is essential.
   

1. If overseas funds are received and handled without proper reporting, it can lead to legal issues.

  For foreigners acquiring real estate or preparing to start a business in Korea, bringing in funds from overseas is common.   However, if it is confirmed that the funds were transferred without going through a designated foreign exchange bank or without completing the required reporting procedures, the matter can escalate beyond a simple remittance issue.   Even if the transfer appears to be family support or business capital, the use of a third party’s account or the inability to verify the source of funds may raise suspicion of a Hwanchigi structure, triggering a police investigation for alleged illegal foreign exchange transactions.   If the explanation provided is insufficient, the case may lead to criminal punishment, and for foreign nationals, this can result in visa extension denial or even restrictions on entry into Korea.   In cases involving overseas fund inflows, the key issue is often not “why” the money was transferred, but “how” it was transferred.   Once a failure to report is identified, the likelihood of charges increases, making it crucial to secure documentation early on that can substantiate both the purpose of the transaction and the flow of funds.    

2. The moment a transaction is suspected of involving Hwanchigi, an investigation can begin rapidly.

  Among illegal foreign exchange transactions, the most frequently problematic type is Hwanchigi.   For example, receiving Korean won in Korea while a third party sends foreign currency from overseas is regarded as a structure designed to evade financial authorities’ oversight and is classified as a suspicious transaction.   In such cases, the transition to a police investigation is often rapid, and investigative authorities assess the possibility of punishment primarily based on the flow of funds.   Capital transactions conducted without proper reporting may be subject to penalties of up to one year of imprisonment or a fine of up to KRW 100 million. If the transaction is determined to constitute Hwanchigi, the level of punishment can increase to up to three years of imprisonment or a fine of up to KRW 300 million.   Recently, modified forms of Hwanchigi using virtual assets have been increasing, and the Financial Intelligence Unit (FIU) and investigative agencies are tracking suspicious patterns in real time.   In particular, for foreign nationals, even if a criminal case concludes with a suspension of indictment, immigration authorities may reassess residency status during immigration review procedures, often resulting in visa extension denials or deportation orders.   Therefore, from the early stages when allegations arise, it is essential to prepare a strategy that addresses both criminal defense and immigration status simultaneously.    

3. Even if the case ends with criminal punishment, immigration or residency issues are not automatically resolved.

  Even when criminal proceedings for illegal foreign exchange transactions conclude with a fine, foreign nationals may still face an additional problem.   That problem is the review of their residency status. Regardless of the level of criminal punishment, immigration authorities conduct a separate assessment at the stage of visa extension or stay renewal.   If a single incident results in a fine of KRW 3 million or more, if the cumulative amount within the past five years exceeds KRW 5 million, or if there has been a suspended sentence or imprisonment, visa extension may be denied or a deportation order may be considered.   In particular, even when the explanation is that the funds were for “living expenses,” such claims are often rejected if the remittance amount is large, repeated, or if the account holder or method of receipt is unclear.   The critical issue is that once such a decision is made, future entry into Korea itself may become difficult. Therefore, to maintain stable residency in Korea, it is essential to prepare not only for police investigations and criminal penalties, but also a strategy addressing immigration status reviews.    

4. Allegations of illegal foreign exchange transactions are difficult to handle without professional legal assistance.

  When a person is subjected to a police investigation for alleged illegal foreign exchange transactions, the inquiry does not end with simply identifying who sent the money or which account was used. Investigators examine multiple factors in combination, including the purpose of the transaction, how many times the remittance was repeated, and whether foreign exchange reporting requirements were properly fulfilled.   If the transaction is suspected of involving a Hwanchigi structure during this process, the individual must personally demonstrate the legality of the fund flow and the legitimacy of its purpose in order to avoid punishment.   However, there are inherent limits to the materials an individual can prepare, and choosing an incorrect explanation strategy may instead be interpreted as unfavorable evidence.   Particularly in cases involving foreign nationals’ real estate transactions, where remittance amounts are large or fund routes are complex, investigative authorities often proceed from the outset on the assumption of suspicion. In such situations, it is crucial to obtain assistance from legal counsel to organize supporting documents and establish a response strategy aligned with the relevant legal issues.    

5. A response strategy that takes residency and immigration status into account is essential.

  Illegal foreign exchange transactions may appear to be a simple remittance issue, but for foreign nationals they are a sensitive matter that can lead not only to criminal punishment for alleged Hwanchigi, but also to restrictions on residency status.   In particular, statements made during the police investigation can have a significant impact on whether charges are filed and on the severity of the disposition, making it crucial to establish the correct response strategy from the outset.   If one attempts to provide forced explanations while the transaction structure or flow of funds remains unclear, or participates in an investigation without properly organizing the facts, the result may be an unfavorable determination.     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   Don’t face the legal system alone. Let Majung fight for you!
       

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