National Defense Act Article 8
The President shall assume the supreme command of army, navy, and air force of the ROC, and is the commander-in-chief of the ROC Armed Forces. He exerts executive authority over the Minister of National Defense, and the Chief of the General Staff (CGS) follows the command of the Minister to lead the ROC Armed Forces.
中文原文 國防法第8條
總統統率全國陸海空軍,為三軍統帥,行使統帥權指揮軍隊,直接責成國防部部長,由部長命令參謀總長指揮執行之。