(a) property buyers should check whether the qualification procedures of developers are sound, that is, we often say that the five certificates are complete. After the comprehensive completion and acceptance of the residential area with complete five certificates, the new house generally gets the real estate license in three months, and the second-hand house gets the real estate license about one month after the transfer.

(II) According to the Measures for the Administration of Commercial Housing Sales, the real estate development enterprise shall, within 90 days from the date of delivery of the commercial housing, submit the information required for the registration of housing ownership to the real estate administrative department where the housing is located. Real estate development enterprises shall assist the buyers of commercial housing to handle the procedures of land use right change and house ownership registration.

(three) due to the developer's reasons, the property buyers did not obtain the real estate license within the time limit agreed in the contract; Or the buyer of the auction house fails to obtain the real estate license within 90 days from the date of delivery of the house, or the buyer of the completed commercial house fails to obtain the real estate license within 90 days from the date of conclusion of the contract, the developer shall bear the liability for breach of contract.