Act Governing Issuance of Electronic Stored Value Cards Article 22

(Obligations to Provide and Retain Information)Issuers shall file report on their electronic stored value card business in accordance with the rules of the Competent Authority and the Central Bank of the ROC.Issuers of electronic stored value cards shall keep detailed transaction records of cardholders for at least five (5) years and provide the cardholders with related inquiry service.The detailed records referred to in the preceding paragraph shall fully disclose the date of each transaction, the card number used, transaction item, transaction amount, transaction machine code and currency.An issuer shall appoint an accountant to conduct quarterly audit of the state of compliance with Paragraph 2 of Article 18 herein, and submit the accountant's audit report to the Competent Authority for reference in one (1) month after the end of each quarter.
中文原文 電子票證發行管理條例第22條
發行機構應依主管機關及中央銀行之規定,申報業務有關資料。
發行機構發行電子票證應保存持卡人交易帳款明細資料,至少保存五年,並提供其查詢之服務。
前項明細資料應充分揭露交易日期、使用卡號、交易項目、交易金額、交易設備代號及幣別等項目。
發行機構應委託會計師每季查核依第十八條第二項規定辦理之情形,並於每季終了後一個月內,將會計師查核情形報請主管機關備查。

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