Enforcement Rules for Water Act Article 28

The application for water right or temporary right registration received by the authority-in-charge shall be processed by the order received. An applicant who registers the right first according to law will be granted the water right or temporary right first.
中文原文 水利法施行細則第28條
主管機關接受登記申請,應依申請先後為處理之順序。
其先經依法登記確定者,為先取得水權或臨時使用權。

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