The Act Governing Electronic Payment Institutions Article 32

A specialized electronic payment institution shall ensure the privacy and security of the transaction data and maintain the accuracy of data transmission, exchange, or processing.A specialized electronic payment institution shall establish an information system that meets certain requirements. The standards for information system and security management procedure guidelines of its businesses shall be prepared by the trade association specified in Paragraph 1 of Article 44 or the Bankers Association of the Republic of China ("Bankers Association"), and reported to the competent authority for approval; the same applies to their amendments.
中文原文 電子支付機構管理條例第32條
專營電子支付機構應確保交易資料之隱密性及安全性,並維持資料傳輸、交換或處理之正確性。
專營電子支付機構應建置符合一定水準之資訊系統,其辦理業務之資訊系統標準及安全控管作業基準,由第四十四條第一項所定之同業公會或中華民國銀行商業同業公會全國聯合會(以下簡稱銀行公會)擬訂,報請主管機關核定之;變更時亦同。

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