Yes, the land requisition approval document is the approval document for returning collective land to state-owned land. It is the core document in the process of land requisition and the prerequisite for collective land requisition and subsequent project construction.
 According to the relevant provisions of Article 14 of the Opinions of the Ministry of Land and Resources on Improving the Review and Approval of Agricultural Land Conversion and Land Acquisition, the validity period of the approval documents for agricultural land conversion and land acquisition is two years. After the documents are approved, if the municipal and county governments do not use land within two years or implement the compensation scheme for land acquisition, the relevant approval documents will automatically become invalid. At the same time, according to the relevant provisions of the Decision of the State Council on Deepening Reform and Strict Land Management, if no specific land acquisition or land use behavior has been carried out for two years after the approval of agricultural land conversion, the approval document is invalid.