Enforcement Rules for Water Act Article 18

Where the authority-in-charge orders water right holders to improve their water conveying or usage technology or facilities pursuant to Article 22 of the Act or reassign water right pursuant to Article 25 of the Act, it may order the water right holder to register changes to water right within a given period. If the water right holder fails to comply accordingly, the authority-in-charge may proceed to make public announcement to the effect, cancel the original water right deed and issue a new deed.The given period referred to in the preceding paragraph is thirty (30) days, which may be extended another thirty (30) days if the application for extension is deemed reasonable by the authority-in-charge.
中文原文 水利法施行細則第18條
主管機關依本法第二十二條規定令原水權人改善其取用水方法或設備者或依本法第二十五條規定重行劃定用水量者,得限期令水權人為水權變更登記,水權人屆期未申請變更登記者,主管機關得逕行核定公告,並註銷原水權狀及換發水權狀。
前項限期為三十日。
但經當事人之申請,主管機關認為有理由者,得核准展期三十日,並以一次為限。

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