The Central Bank of the Republic of China (Taiwan) Act Article 30

The Bank shall prescribe and regulate the accommodations extended by banks to securities dealers or securities finance companies.
中文原文 中央銀行法第30條
本行就銀行辦理對證券商或證券金融公司之融通,訂定辦法管理之。

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