Enforcement Rules of Sewerage Act Article 5

The areas or places designated by the competent authorities for establishing special-purpose sewerage in the provisions of Article 8 of the Act may not start construction without submitting plans and design drawings, etc., of the special-purpose sewerage to the competent authorities for their approval prior to construction; upon completion, the special-purpose sewerage may not start to be used before passing the examination by the competent authorities.The structures in the areas or places in the preceding Paragraph may not be issued a license for use before their special-purpose sewerages are completed and pass the examination.
中文原文 下水道法施行細則第5條
依本法第八條規定應設置專用下水道之地區或場所,於設置專用下水道前,應檢附專用下水道規劃及設計圖說等資料,申請該管主管機關核准,始得施工;完工後,須經下水道主管機關查驗合格,始得使用。
在前項地區或場所內興建建築物,應於專用下水道完工經查驗合格後,始得核發使用執照。

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