Enforcement Rules of the Government Procurement Act Article 105-1

A procuring entity may review a rejected protest and the facts and reasons thereof, and nullify or change the initial result or suspend the procurement procedures provided that the entity deems that the protest is justifiable.
中文原文 政府採購法施行細則第105-1條
招標機關處理異議為不受理之決定時,仍得評估其事由,於認其異議有理由時,自行撤銷或變更原處理結果或暫停採購程序之進行。

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