Regulations Governing Stock Exchanges Article 25

A stock exchange shall set out custodial rules with regard to payments and securities held in custody, and file said rules with the FSC for review and recordation.
中文原文 證券交易所管理規則第25條
證券交易所對受寄之款項及證券,應擬具保管辦法,申報本會核備。

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