Group 1 - The article discusses the tax declaration period for property tax and urban land use tax in Ningbo City, which is set from March 1 to March 31, 2026 [3] - Taxpayers can modify existing property and land tax source information through the national electronic tax bureau before March 1, 2026 [3] - Two methods are provided for taxpayers to correct tax source information: through the "Tax Declaration and Payment" section or by searching for "Declaration Correction and Cancellation" in the electronic tax bureau [5][6] Group 2 - Taxpayers with property rights certificates must fill in the property unit number according to the certificate's content, including details such as land area, acquisition time, and property address [5] - The tax authority will monitor the quality of data collected for property and land taxes, and will notify taxpayers to correct any non-compliant information [5] - Taxpayers are advised to manage their time effectively, especially those with a large number of tax source entries [12]