Foreign Exchange Control Act Article 3

The competent authority in charge of foreign exchange administration shall be the Ministry of Finance. The authority in charge of foreign exchange business shall be the Central Bank of the Republic of China.
中文原文 管理外匯條例第3條
管理外匯之行政主管機關為財政部,掌理外匯業務機關為中央銀行。

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