The Organic Act of the Securities and Futures Bureau, Financial Supervisory Commission Article 1

(Purpose of Establishment and Affiliation)The Financial Supervisory Commission establishes the Securities and Futures Bureau (hereinafter referred to as the "Bureau") for purposes of the supervision and regulation of the securities and futures markets and securities and futures enterprises, and the formulation, planning, and implementation of related policies, laws, and regulations.
中文原文 金融監督管理委員會證券期貨局組織法第1條
金融監督管理委員會為辦理證券、期貨市場及證券、期貨業之監督、管理及其政策、法令之擬訂、規劃、執行等業務,特設證券期貨局(以下簡稱本局)。

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