Regulations Governing Securities Finance Enterprises Article 48

A securities firm conducting securities borrowing and lending business shall cease lending a given type of securities immediately when for that type of securities, the aggregate total of the outstanding balance of shares it lends to securities borrowers in conducting securities borrowing and lending business, plus the outstanding balance of shares it lends to short sellers in conducting securities margin purchase and short sale business, plus the safety stock amount under Article 18, paragraph 2, reaches the aggregate total under all subparagraphs of paragraph 2 of Article 39.
中文原文 證券金融事業管理規則第48條
證券金融事業辦理有價證券借貸,每種證券出借餘額與辦理有價證券買賣融資融券業務之融券餘額及第十八條第二項之安全存量合計數達第三十九條第二項各款之合計數時,應即停止出借。

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