Regulations Governing Securities Finance Enterprises Article 11
Securities finance enterprises handling securities margin purchases and short sales shall calculate the ratio of the collateral value of each margin account to principals' debts every day, and shall immediately inform principals to replenish any shortfall within a prescribed period if it is lower than the prescribed ratio.The ratio and time limit for replenishment under the preceding paragraph shall be prescribed by the securities finance enterprise and reported to the competent authority for approval.
中文原文 證券金融事業管理規則第11條
證券金融事業辦理有價證券買賣融資融券，應逐日計算每一信用帳戶內之擔保品價值與委託人債務之比率，其低於規定之比率時，應即通知委託人於限期內補繳差額。
前項比率及補繳期限，由證券金融事業擬訂，報請主管機關核定。
前項比率及補繳期限，由證券金融事業擬訂，報請主管機關核定。