Legal basis: Article 32 of People's Republic of China (PRC) Urban Real Estate Management Law, when the real estate is transferred or mortgaged, the ownership of the house and the land use right within the occupied area of the house are transferred and mortgaged at the same time. Article 60 The state practices a system of registration and certification of land use rights and house ownership. Article 61 Anyone who obtains the land use right by means of transfer or allocation shall apply to the land administration department of the local people's government at or above the county level for registration. After verification by the land administration department of the local people's government at or above the county level, the land use right certificate shall be issued by the people's government at the same level. If a house is built on the land for real estate development obtained according to law, it shall apply to the real estate management department of the local people's government at or above the county level for registration with the certificate of land use right, and the real estate management department of the local people's government at or above the county level shall verify and issue the certificate of ownership of the house. When real estate is transferred or changed, it shall apply to the real estate management department of the local people's government at or above the county level for registration of change of real estate, and apply to the land management department of the people's government at the same level for registration of change of land use right on the basis of the changed house ownership certificate. After verification by the land administration department of the people's government at the same level, the land use right certificate shall be replaced or changed by the people's government at the same level. If it is otherwise provided by law, it shall be handled in accordance with the provisions of relevant laws.