Commercial Group Act Article 16

Member representatives shall be principals, managers or staff of the corporations or firms who currently hold the posts, and they must be adult.Corporations and firms may reappoint their member representatives at any time according to their needs, however the formerly appointed member representatives lose the representative qualification once new representatives are appointed.
中文原文 商業團體法第16條
會員代表,應為公司、行號之負責人、經理人或該公司、行號之現任職員,且以成年為限。
公司、行號因業務需要得隨時改派會員代表。
原派之會員代表,於新會員代表派定後,喪失其代表資格。

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