Regulations for Management of Water Efficiency Label Article 14

If the user or address specified on the water efficiency label use license is changed, the user shall submit the application form and the relevant supporting documents within ninety days from the date of occurrence of the event. After paying the change fee, the applicant shall apply to the central competent authority for the change of water efficiency label use license.
中文原文 省水標章管理辦法第14條
省水標章使用許可記載之使用人或地址如有變更,使用人應於事實發生之日起九十日內檢具申請書及相關證明文件,於繳納變更費後,向中央主管機關申請變更省水標章使用許可。

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