Civil Servant Association Act Article 20

Civil servant association directors and supervisors shall attend directors’ and supervisors’ meetings in person and may not enlist a proxy; absence is not permitted without a legitimate reason; two consecutive unexplained absences are deemed tantamount to resignation, with the vacancy filled by an alternate director or alternate supervisor in sequence.
中文原文 公務人員協會法第20條
公務人員協會理事、監事應親自出席理事、監事會議,不得委託他人代理;非有正當理由不得請假,無故連續二次缺席者,視為辭職,由候補理事、候補監事分別依次遞補。

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