Legal basis: Land Administration Law of the People's Republic of China
Article 27 The State establishes a land survey system.
The land administrative departments of the people's governments at or above the county level shall, jointly with the relevant departments at the same level, conduct land surveys. Land owners or users shall cooperate with the investigation and provide relevant information.
Twenty-eighth land administrative departments of the people's governments at or above the county level shall, in conjunction with the relevant departments at the same level, assess the land grade according to the results of land survey, the planned use of land and the unified standards formulated by the state.
Article 29 The State establishes a land statistics system.
The land administrative departments of the people's governments at or above the county level and the statistical departments at the same level shall formulate statistical investigation plans, conduct land statistics according to law, and regularly publish land statistical data. Land owners or users shall provide relevant information, and shall not falsely report, conceal, refuse to report or delay reporting.
Statistical data of land area released by land administrative departments and statistical departments are the basis for people's governments at all levels to work out overall land use planning. Article 30 The State establishes a national land management information system to dynamically monitor land use.