The regulations of allotment regarding the cost of construction and management shall be prescribed by the central competent authority after consultation with the supervisory authorities of utility agencies. After the completion of the construction of Common Duct, the additional utility that did not previously share the construction cost shall be charged with the fee of using by the competent authority. The fee schedule shall be prescribed in the regulations of management.

For the expenditure of the management and maintenance of Common Duct, the competent authority shall appropriate after consultation with the related utility agencies (or organizations) from the fixed ratio of the regulations of allotment prescribed in Article 21. A special account shall be set up for this appropriation, and the accounts shall be settled in the end of the year.
The cost in case of emergency caused by natural disasters shall be defrayed by the aforementioned special account. But the cost in case of emergency caused by artificial sabotages shall firstly be defrayed by the aforementioned special account, and shall be recovered from the violators.

According to the application of the utility agencies (or organizations), the central competent authority may offer a loan to them to defray the responsible allotment in the construction of Common Duct. The central competent authority may set up the Construction Fund of Common Duct to defray the aforementioned loan.