Legal basis: Law of the People's Republic of China on Land Management
Article 27 The competent department of natural resources of the people's government at or above the county level shall, jointly with the relevant departments at the same level, assess the land grade according to the land survey results, the planned land use and the unified standards formulated by the state.
Article 28 The State establishes a land statistics system.
The statistical agencies of the people's governments at or above the county level and the competent departments of natural resources shall conduct land statistical surveys according to law and regularly publish land statistical data. Land owners or users shall provide relevant information, and shall not refuse to report or report late, and shall not provide untrue or incomplete information.
The statistical data of land area released by statistical agencies and natural resources departments are the basis for people's governments at all levels to prepare the overall land use planning.