If the contract letting party is at fault for the losses caused by the unqualified construction project, it shall bear corresponding responsibilities…
If the construction contract of the construction project is invalid and the construction project experience is unqualified, it shall be handled according to the following circumstances: （1） If the repaired construction project passes the acceptance, the employer may request the contractor to bear the repair cost; （2） If the experience of the repaired construction project is unqualified, the Contractor shall not have the right to request the discount compensation according to the contract on the project price.
Article 793 of construction project contract of civil code [treatment of invalid construction contract of construction project] if the construction contract of construction project is invalid, but the construction project has passed the acceptance, the contractor may be compensated at a discount according to the agreement on project price in the contract.
