Enforcement rules on the implementation of commercial group act Article 26
The head of directors is the chairman of general meeting of commercial trade council, or three to five of directors, supervisors, standing directors and supervisors are to be elected to form a presidium and hold the post of chairman in turn.
中文原文 商業團體法施行細則第26條
商業同業公會舉行會員大會時，以理事長為主席，或由理事、監事就常務理事、常務監事中共同推定三人至五人，組織主席團，輪任主席。