Regulations Governing Securities Firms Accepting Orders to Trade Foreign Securities Article 17

Securities firms accepting orders to trade foreign securities shall not provide margin loans or stock loans.
中文原文 證券商受託買賣外國有價證券管理規則第17條
證券商受託買賣外國有價證券,不得為有價證券買賣之融資融券。

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