Government Procurement Act Article 41

Where a supplier has questions about the content of the tender documentation, such questions shall be submitted in writing to the entity before the deadline set forth for such purpose in the tender documentation.The entity shall give a written reply to the inquiring supplier before the deadline set forth for such purpose in the tender documentation, and may publish such reply if necessary. In case that any amendment or supplement to the content of the tender documentation must be made as a result of such questions, the entity shall publish a notice concerning such amendment or supplement, or notify each supplier in writing for cases of soliciting technical proposals and price proposals under selective tendering procedures and for cases of limited tendering procedures, and may extend the time-limit for tendering if required. The aforementioned requirements shall also apply in the event of amending or supplementing the content of tender documentation on the entity’s own initiative.
中文原文 政府採購法第41條
廠商對招標文件內容有疑義者,應於招標文件規定之日期前,以書面向招標機關請求釋疑。
機關對前項疑義之處理結果,應於招標文件規定之日期前,以書面答復請求釋疑之廠商,必要時得公告之;其涉及變更或補充招標文件內容者,除選擇性招標之規格標與價格標及限制性招標得以書面通知各廠商外,應另行公告,並視需要延長等標期。
機關自行變更或補充招標文件內容者,亦同。

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