Regulations Governing the Deposit Accounts and Suspicious or Unusual Transactions Article 9

The watch-list period of a watch-listed account shall automatically expire two years after the date the deposit account is reported as a watch-listed account. If such deposit account still needs to be watch-listed, the original notifying authority shall issue a new notification to continue watch-listing the account prior to the expiry of the two-year period, and the watch-list period may be extended only once for up to one year.If the account holder of a watch-listed account has any questions or objections regarding his/her deposit account being classified as a watch-listed account, he/she shall contact the original notifying authority to handle the matter and the bank shall provide assistance as necessary.
中文原文 存款帳戶及其疑似不法或顯屬異常交易管理辦法第9條
警示帳戶之警示期限自通報時起算,逾二年自動失其效力。
但有繼續警示之必要者,原通報機關應於期限屆滿前再行通報之,通報延長以一次及一年為限。
警示帳戶之開戶人對其存款帳戶被列為警示如有疑義,由開戶人洽原通報機關處理,銀行於必要時並應提供協助。

English translation for reference only; the Chinese text prevails. Not legal advice.