Regulations Governing Custody and Investment of Funds by Securities Firms on Behalf of Customers Article 7

The total value of funds kept under custody and invested by a securities firm on behalf of customers may not exceed 200 percent of the securities firm's net worth; however, the interest generated from the funds under custody and the profits or losses resulting from the investments shall not be considered part of the total value of funds under this paragraph.At the end of each month, the securities firm shall deposit 1 percent of the total value referred to in the preceding paragraph as an operating bond, and by the 10th business day of the following month, shall supplement the operating bond, or, with the competent authority's approval, withdraw any overpayment.
中文原文 證券商辦理客戶委託保管及運用其款項管理辦法第7條
證券商辦理客戶委託保管及運用其款項業務之總金額,不得超過其淨值百分之二百。
但因保管所生之利息及運用所生之損益,不計入本項總金額。
證券商應依前項每月月底總金額之百分之一提存營業保證金,並應於次月第十個營業日前增補營業保證金或經主管機關許可領回溢繳部分。

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