Regulations Governing Borrowing or Lending Money in Connection with Securities Business by Securities Firms Article 7-1

If a securities firm conducts securities business money lending and the financing period does not exceed 30 days, new shares issued by an issuer upon its initial listing on the TWSE or TPEx or for cash capital increase after its initial listing on the TWSE or TPEx that are subscribed by customers who are employees or existing shareholders of the issuer may be used as collateral (hereinafter, "share subscription loans").The ratio between the value of the collateral under the preceding paragraph and the amount of money lent by the securities firm to that customer may not be below a certain ratio. A securities firm shall mark to market on a daily basis the ratio of collateral value to customer debt in each lending account. When that ratio is below the prescribed ratio, it shall immediately notify the customer to make up the difference by a deadline with collateral of the types prescribed in paragraph 3 of the preceding article.The ratio referred to in the preceding paragraph shall drafted by the TWSE in joint consultation with the TPEx, and submitted to the competent authority for final approval.
中文原文 證券商辦理證券業務借貸款項管理辦法第7-1條
證券商辦理證券業務借貸款項,融通期限不超過三十日者,得以具有發行人員工或原股東身分之客戶,認購之發行人初次上市、上櫃,或已上市、上櫃後現金增資發行新股為擔保(以下簡稱認股借貸)。
前項擔保品價值與證券商借貸與客戶金額之比率,不得低於一定比率,證券商應逐日計算每一借貸帳戶內之擔保品價值與客戶債務之比率,其低於規定之比率時,應即通知客戶於限期內以前條第三項所定擔保品種類補繳差額。
前項規定之比率,由證券交易所會同證券櫃檯買賣中心擬訂,報請主管機關核定。

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