Regulations Governing the Dedicated Deposit Account of Specialized Electronic Payment Institutions Article 24

For interest or other income earned from the utilization of funds received from users in accordance with Paragraphs 2 and 3, Article 22 of the Act, a specialized electronic payment institution or trustee bank shall, within five business days after receiving the income, deposit the amount set aside in accordance with Paragraph 4, Article 22 of the Act into the income set-aside account.
中文原文 電子支付機構專用存款帳戶管理辦法第24條
專營電子支付機構或受託銀行對於依本條例第二十二條第二項及第三項運用支付款項所生孳息或其他收益,應於取得收益後五個營業日內依本條例第二十二條第四項規定,將應計提金額存入收益計提金帳戶。

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