Enforcement Rules of Act for Promotion of Private Participation in Infrastructure Projects Article 63

If the authority in charge amends or appends items to the tender documents after inviting the private participation by a public notice, the authority in charge should also amend or append such items to the notice by the deadline of the application and extend the deadline of application, if necessary.
中文原文 促進民間參與公共建設法施行細則第63條
主辦機關於公告徵求民間參與後,變更或補充招商文件者,應於截止收件前辦理變更或補充公告,必要時延長截止收件期限。

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