Regulations Governing Securities Finance Enterprises Article 58

Securities finance enterprises shall not provide guaranty, endorsement of negotiable instruments or provision of assets as security for others.
中文原文 證券金融事業管理規則第58條
證券金融事業不得為保證、票據之背書或提供財產供他人設定擔保之行為。

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