Industrial Group Act Article 15

The articles of association of trade associations should state clearly the number of representatives of each member factory in proportion to the level of its membership dues, and the quotas of the number of representatives are limited to one to seven.
中文原文 工業團體法第15條
每一會員工廠所派之代表,以一人至七人為限,依繳納常年會費之等級,決定代表人數,於公會章程中定之。

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