Core Viewpoint - The article provides a detailed guide on how to operate the electronic tax system for environmental protection tax, specifically focusing on the collection and declaration of solid waste tax sources in Ningbo [1][16]. Group 1: Accessing the System - Users must log into the Ningbo Electronic Tax Bureau and navigate to the tax declaration section to add the environmental protection tax as a new tax type [3][20]. - After selecting the environmental protection tax, users can access the tax source collection interface [4][20]. Group 2: Tax Source Collection - In the tax source detail collection interface, users need to select "solid waste" under the pollution category and fill in the required information [5][30]. - The system automatically populates the taxpayer identification number and name, while users must indicate whether they are filing on a per-instance basis [6][24]. - Users must provide details about their operations, such as whether they engage in marine engineering or operate centralized sewage treatment facilities [6][26][27]. Group 3: Information Entry - Users must enter specific details such as the pollutant types, storage conditions, disposal units, and utilization methods for solid waste [8][12]. - The system requires users to input the effective dates of their pollution permits and the geographical coordinates of their discharge points [8][45][46]. Group 4: Tax Declaration - Users can proceed to the declaration calculation interface to input the quantities of solid waste generated, stored, disposed of, and utilized during the reporting period [10][53]. - The system calculates the taxable amount based on the reported data, including deductions for any tax exemptions applicable [11][66]. Group 5: Submission Process - After confirming all entries are correct, users must submit their tax declaration, affirming the accuracy of the information provided [13][70]. - The system will then process the submission and provide confirmation of successful filing [54][72].