Civil Servant Association Act Article 25

More than one-half of the members or membership council shall attend for meetings to be convened; resolutions are determined upon the approval of over half the members or membership council present. However, resolutions described in Article 23 Paragraph 2 Subparagraphs 1 to 5 require the approval of two-thirds of the members or membership council in attendance.
中文原文 公務人員協會法第25條
會員或會員代表大會應有全體會員或會員代表過半數之出席,出席會員或會員代表過半數之同意,始得議決。
但第二十三條第二項第一款至第五款之決議,應經出席會員或會員代表三分之二以上之同意。

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