Organization Act of the Ministry of Economic Affairs Article 7

The grades and positions of the official ranks of the MOEA shall be determined in a separate staffing chart.
中文原文 經濟部組織法第7條
經濟部設國際貿易局,掌理國際貿易政策、法規之擬訂及規劃、管理、統籌、協調與發展等事務;其組織以法律定之。

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