South Korea opens reporting period for 2025 overseas financial accounts

South Korea has opened the reporting window for individuals to declare overseas financial accounts held during 2025, with the submission period running throughout June. The requirement, reported by Etoday, applies to any resident whose total balance in foreign accounts exceeded 500 million won (approximately $362,000) on the last day of any month in the previous year.

Who must report and what is covered

The obligation is triggered by the account balance itself, not by profits or capital gains from trading virtual assets or other investments. This means even if no income was generated, the declaration is still mandatory if the threshold was met. The rule applies to all overseas financial accounts, including bank accounts, securities accounts, and accounts holding virtual assets.

Key deadlines and compliance

Eligible individuals must submit their reports to the National Tax Service (NTS) during June. Failure to report or underreporting can result in penalties, including fines and potential criminal charges. The NTS has increasingly focused on cross-border financial transparency, aligning with international standards such as the Common Reporting Standard (CRS).

Why this matters for investors and expatriates

For South Korean residents with overseas investments, including those holding cryptocurrency on foreign exchanges, the reporting requirement is a critical compliance step. The threshold of 500 million won is relatively high, but the aggregation of multiple accounts across different countries can quickly push balances above the limit. Virtual asset accounts are explicitly included, reflecting the growing integration of digital assets into the tax system.

Conclusion

South Korea’s overseas account reporting regime continues to tighten, with the 2025 declaration period now open. Individuals who meet the threshold should ensure timely and accurate submission to avoid penalties. The inclusion of virtual assets underscores the government’s commitment to comprehensive financial transparency.

FAQs

Q1: Do I need to report if my overseas account balance exceeded 500 million won only for one day?
Yes, if the balance exceeded 500 million won on the last day of any month during the previous year, you must report.

Q2: Are virtual assets like cryptocurrency included in the reporting requirement?
Yes, overseas accounts holding virtual assets are subject to the same reporting rules if the total balance exceeds the threshold.

Q3: What happens if I fail to report or underreport?
Penalties can include fines of up to 20% of the unreported amount and, in serious cases, criminal prosecution.