Enforcement Rules for Water Supply Act Article 14

Pursuant to Article 74 of the Act, for water supply equipment that passes the examination, the local government authority (municipal, county, or city) should issue a registration certificate in ten days.
中文原文 自來水法施行細則第14條
依本法第七十四條規定經查驗合格之自用自來水設備,直轄市或縣(市)主管機關應於查驗合格後十日內,發給自用自來水設備登記證。

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