Constitution of the Republic of China (Taiwan) Article 54
The Executive Yuan shall have a President, a Vice President, a certain number of Ministers and Chairmen of Commissions, and a certain number of Ministers without Portfolio.
中文原文 中華民國憲法第54條
行政院設院長副院長各一人，各部會首長若干人，及不管部會之政務委員若干人。