Regulations for Attendance by Proxies of Labor Union Members’ Meetings or Representative Meetings of Labor Union Members Article 7

The number of those attending by proxy and in person shall be counted according to the sign-in book.When the number of those attending by proxy exceeds those attending in person by one-third, those proxies who can attend shall be determined by their sign-in order. When such an order is hard to ascertain, it shall be determined by a draw.
中文原文 工會會員大會或會員代表大會委託出席辦法第7條
委託出席人數及親自出席人數之計算,以簽到簿所列者為準。
委託出席人數超過親自出席人數三分之一者,以簽到簿簽名先後次序決定之,難以認定先後次序者,以抽籤方式決定之。

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