The competent authority shall conduct the management of Common Duct, if necessary the management may be entrusted to the original investors or specific agencies. The regulations of management shall be prescribed by the competent authority after consultation with the relevant utility agency (or organization).

While the Common Duct crosses two (2) administrative jurisdictions, the related competent authorities shall conduct a co-management after negotiation. In case the agreement can not be concluded, the supervisory competent authority shall assign the management to one of the two parties.

The inspection and management of the public utilities and their accessory facilities set in the Common Duct shall be conducted by the utility agency (or organization) concerned; and regular inspection and necessary actions shall be taken. The evaluation method for the aforementioned regular inspection shall be prescribed in the regulations of management.

Entering or using the Common Duct shall be permitted beforehand by the competent authority. But the permission beforehand for entering or usage by the relevant technicians or enforcing officials in case of emergency shall be excluded. After the completion of the aforementioned entering or usage, they shall submit a report to the competent authority for record.
As for the improper usage or using without permission, the competent authority may take necessary actions, and the violator shall defray the cost incurred. The permission details of entering or usage pursuant to the first sentence of preceding Paragraph shall be prescribed in the regulations of management.