Regulations on Election and Recall in Civil Associations Article 31

If civil associations identify any false signatures on the recall letter or the recall letter is withdrawn within three (3) days from the date of submission, the signatures shall be deleted. If the quorum is not met due to such deletion, the recall letter shall be returned within five (5) days from the date of receipt, with a notice sent to the regulating authority for reference.
中文原文 人民團體選舉罷免辦法第31條
人民團體如查明罷免書簽署人有不實者,或於向該團體提出罷免書之日起三日內,經原簽署人撤回簽署者,應即剔除,其因剔除致不足法定人數時,應於收到該罷免書之日起五日內退還,並副知主管機關。

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