Regulations Governing Securities Borrowing and Lending by Securities Firms Article 37

The outstanding balance of a securities firm's loans of book-entry central government bonds plus repo transactions may not exceed 600 percent of its net worth. However, a financial institution concurrently operating securities business is separately subject to the applicable rules set out by the competent authority.
中文原文 證券商辦理有價證券借貸管理辦法第37條
證券商出借中央登錄公債加計附買回交易之餘額不得超過其淨值百分之六百。
但兼營證券業務之金融機構另依主管機關相關規定辦理。

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