In the event of a transaction dispute over the sale of a house, the parties may bring a lawsuit to the local people's court. In the event of a transaction dispute over the quality of the house, the parties concerned may report to the construction administrative department of the local government, the consumer protection association and the quality supervision department.
Legal basis:
"Regulations on the Management of Urban Real Estate Development and Operation" Article 30 A real estate development enterprise shall provide a residential quality guarantee and a residential instruction manual to the purchaser when the commercial house is delivered for use.
The residential quality guarantee shall specify the quality grade, warranty scope, warranty period and warranty unit approved by the engineering quality supervision unit. Real estate development enterprises shall bear the warranty responsibility of commercial housing in accordance with the agreement of residential quality guarantee.
During the warranty period, if the original use function of the house is affected by the maintenance of the commercial house by the real estate development enterprise, causing losses to the purchaser, it shall be liable for compensation according to law.
Article 10 of the Interpretation of the Supreme People's Court on Several Issues Concerning the Application of Laws in the Trial of Disputes over Commercial Housing Sales Contracts, if the buyer requests to terminate the contract and compensate for the losses because the quality of the house seriously affects the normal living and use, it shall be supported.
If the house delivered for use has quality problems, the seller shall bear the maintenance responsibility during the warranty period; If the seller refuses to repair or delays the repair within a reasonable period of time, the buyer may repair it by himself or entrust others to repair it. The repair costs and other losses caused during the repair period shall be borne by the seller.