Regulations Governing Custody and Investment of Funds by Securities Firms on Behalf of Customers Article 5

"Custody," as used in these Regulations, means that a securities firm, pursuant to an agreement with the customer, keeps custody of the customer's funds in a cash management account for a period not to exceed ten business days."Investment," as used in these Regulations, means that when the same investment instrument is stipulated in agreements between the securities firm and customers, the securities firm collects the funds kept under custody in the cash management account and makes the investment under the name of the securities firm.
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5條
本辦法所稱保管,指證券商依與客戶之約定,保管客戶款項於證券商現金管理專戶,其期間不得超過十個營業日。
本辦法所稱運用,指證券商依與客戶約定之運用標的相同者,集合客戶委託保管於現金管理專戶之款項,以證券商名義進行投資之行為。

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