Common Duct Act Article 16

After the completion of Common Duct, the excavation on the roads containing Common Duct shall be forbidden except the special cases with the approval of the competent authority.
中文原文 共同管道法第16條
共同管道建設完成後,除情形特殊經主管機關核准者外,禁止挖掘共同管道經過之道路。

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