Commercial Group Act Article 44

The attending representatives of commercial trade associations of all levels are to be elected from among the member representatives of their affiliated group members; the number of representatives is in proportion to the expenses borne by each group member, which is to be stipulated in the relevant articles of association.
中文原文 商業團體法第44條
各級商業同業公會聯合會出席之代表,由各該所屬團體會員中選派之;其代表人數,依各該團體會員所負擔經費之比例,於章程中定之。

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