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법률칼럼Legal Insight2026. 05. 19

Foreign Exchange Act Violation & Illegal Money Transfer: What to Know Before Police Investigation

  “I didn’t know sending living expenses would make me a target of investigation.”   Even if the money was sent to support family abroad, the method of transfer or the account used may be considered a violation of the Foreign Exchange Transactions Act.   In particular, sending money indirectly through an acquaintance or using an account under someone else’s name can raise suspicions of hwanchigi (illegal money transfer), which has in many cases led to actual investigations.   For foreign nationals, even a single remittance can negatively affect visa screening, so it is important to prepare accurate supporting documents before the issue escalates.   Since it can be difficult to explain the situation alone, if things are complex, it is safest to seek early assistance from a legal professional to determine the best course of action.    

Contents

 
1. Remittance structures that may lead to criminal charges
 
2. Actual penalties imposed when caught for illegal money transfers (hwanchigi)
 
3. Foreign nationals may face visa disadvantages after criminal prosecution
 
4. Violations of the Foreign Exchange Transactions Act — early response can determine your stay outcome
   

1. Remittance structures that may lead to criminal charges

  Even transactions you believe to be simple remittances can lead to legal issues if they violate procedural requirements when sending foreign currency abroad.   In particular, if the transfers are repeated for certain amounts or conducted through unusual routes, they may be classified as violations of the Foreign Exchange Transactions Act, even if the purpose itself is legitimate.   The main types of remittances that can cause legal problems:   01. Informal transfers through acquaintances Sending Korean won domestically and having a friend or contact overseas send the equivalent amount in foreign currency can be regarded as unauthorized foreign exchange brokerage. Such transactions have, in fact, been identified as illegal money transfer (hwanchigi) and led to formal investigations.   02. Large overseas fund transfers without prior reporting For transactions exceeding a certain amount—such as overseas real estate purchases or investment remittances—a prior foreign exchange report is required. If funds are transferred without this report, it can lead not only to administrative fines but also criminal prosecution in some cases.   03. Transactions with unclear fund sources If the source of the remitted funds or the recipient’s details are unclear, suspicions of money laundering may arise. In such cases, violations of both the Foreign Exchange Transactions Act and the Anti-Money Laundering Act may apply.   04. Foreign currency transfers outside official financial procedures Using another person’s account, involving intermediaries, or delivering cash directly are all considered non-standard methods, which can raise suspicions of hwanchigi. These transactions are sometimes directly monitored by the Financial Intelligence Unit (FIU) or investigative authorities. Even if the sender believes it to be a simple remittance, the repetition or structure of such transactions can lead to criminal investigations.   Therefore, if you need to send money abroad, the safest first step is to ensure that the structure of your transaction complies with legal requirements.    

2. Actual penalties imposed when caught for illegal money transfers (hwanchigi)

  In most cases, illegal money transfers (hwanchigi) occur when a person in Korea receives Korean won and another person abroad pays out the equivalent amount in foreign currency.   If such a transaction is conducted without going through an authorized financial institution, it may be classified as a violation of the Foreign Exchange Transactions Act.   Depending on the method and structure of the remittance, the following penalties may apply:   01. Capital transactions conducted without prior reporting For transactions exceeding a certain amount—such as overseas real estate purchases or investment transfers—prior reporting under the Foreign Exchange Transactions Act is required. If funds are transferred without this report, penalties may include up to one year of imprisonment or a fine of up to 100 million KRW, and heavier sentences may be imposed for larger sums.   02. When an illegal money transfer (hwanchigi) structure is confirmed If the use of third-party accounts, cash handovers, or unofficial currency exchanges is detected, the Act stipulates that offenders may face up to three years in prison or a fine of up to 300 million KRW.   03. Overseas remittances using cryptocurrency Transferring foreign currency indirectly through virtual assets (cryptocurrency) is also subject to investigation. The Bank of Korea and the Financial Intelligence Unit (FIU) are currently monitoring and tracking such transactions in real time.   In particular, for foreign nationals, a criminal record—even one resulting only in a fine—can lead to visa-related disadvantages.   More serious than the fine itself is that a record of punishment can directly affect the maintenance of one’s residence status, making it crucial to seek appropriate legal response from the early stages.    

3. Foreign nationals may face visa disadvantages after criminal prosecution

  When a foreign national receives a criminal penalty in Korea, that record is separately reviewed during immigration and visa status examinations.   In particular, if a fine is imposed for violating the Foreign Exchange Transactions Act, the matter does not end simply by paying the fine.   There have been actual cases where such records were later treated as negative factors during visa extension or status change reviews.   The following situations can directly affect visa status:
  • When the fine exceeds 3 million KRW
  • When the violation is repeated or clearly intentional
  • When the source of funds is unclear or inconsistent with the reported details
  • When there is a clear discrepancy between visa type and actual activities
  In particular, foreign nationals holding D-8 (Investor), F-2 (Resident), or F-6 (Marriage Migrant) visas have, in some cases, faced visa renewal denials or even deportation due to just one remittance suspected of being an illegal money transfer (hwanchigi).   A penalty for violating the Foreign Exchange Transactions Act is not merely an administrative fine—it can have serious, long-term consequences on one’s residency status.   Therefore, careful and proactive legal response from the earliest stage is essential.    

4. Violations of the Foreign Exchange Transactions Act — early response can determine your stay outcome

  As mentioned earlier, foreign nationals who receive fines for violating the Foreign Exchange Transactions Act may be subject to additional immigration review even after the completion of criminal proceedings.   In particular, when an informal remittance structure such as illegal money transfer (hwanchigi) is identified, there have been cases where deportation measures were considered, regardless of the individual’s intent.   Even if the transaction was believed to be a simple remittance, investigative authorities examine the structure and flow of funds to determine potential criminality.   Therefore, from the initial statement stage, it is crucial to organize the facts accurately and respond with appropriate legal guidance to avoid unnecessary punishment or immigration disadvantages.   A criminal defense attorney focuses on minimizing criminal liability from the investigation stage through to trial, while an immigration specialist works to improve the chances of visa extension and status maintenance during the immigration review process.     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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