Regulations Governing Securities Finance Enterprises Article 55

A securities and finance enterprise shall provide bond equivalent to 5 percent of its capital in cash, government bonds, financial bonds, or bank-guaranteed corporate bonds for deposit in the Central Bank of China.
中文原文 證券金融事業管理規則第55條
證券金融事業應以相當於其資本額百分之五之現金、政府債券、金融債券或銀行保證之公司債繳存中央銀行作為保證金。

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