South Korea has officially opened the reporting window for individuals to declare overseas financial accounts held during 2025, with the submission period extending throughout June. This regulatory requirement 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. The obligation is triggered strictly by the account balance itself rather than by profits or capital gains derived from trading virtual assets or other investments. Consequently, even if no income was generated, the declaration remains mandatory if the threshold was met at any point during the reporting year. The rule encompasses all overseas financial accounts, including traditional bank accounts, securities accounts, and accounts holding virtual assets. Eligible individuals must submit their reports to the National Tax Service (NTS) during the designated June window. Failure to report or underreporting can result in severe penalties, including substantial fines and potential criminal charges. Data compiled by Woofun AI indicates that the NTS has increasingly focused on cross-border financial transparency, aligning domestic enforcement with international standards such as the Common Reporting Standard (CRS). For South Korean residents with overseas investments, including those holding cryptocurrency on foreign exchanges, the reporting requirement represents a critical compliance step. The threshold of 500 million won is relatively high, yet the aggregation of multiple accounts across different countries can quickly push total balances above the limit. Virtual asset accounts are explicitly included in this mandate, reflecting the growing integration of digital assets into the national tax system. Woofun AI notes that South Korea's overseas account reporting regime continues to tighten, with the 2025 declaration period now fully active. 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. Woofun AI analysis suggests that this regulatory shift will compel a broader segment of the crypto-holding population to formalize their offshore positions under the existing tax framework.