1, the filing of the house purchase contract is a process in which developers and buyers go to the local housing authority for advance notice registration after signing the house purchase contract online. The filing system of house purchase contract can effectively restrain developers. It can not only prompt developers to speed up the building, but also handle the property right certificate according to the regulations, and make buyers feel more at ease, and can also avoid many hidden dangers brought by one room and two owners to consumers.

2. The Housing Authority is the main organ for filing the purchase contract, and is responsible for supervising the contract filing procedures of all developers. You can call the staff of the Housing Authority, who can help with the inquiry.