Regulations Governing the Dedicated Deposit Account of Specialized Electronic Payment Institutions Article 34

Dedicated deposit account banks shall retain information provided in the three preceding articles for at least five years.
中文原文 電子支付機構專用存款帳戶管理辦法第34條
專用存款帳戶銀行依前三條規定辦理之資料應保存至少五年。

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