2. Select "I want to do tax" and click "Comprehensive Information Report".
3. Select "Tax Source Information Report" and click "Environmental Protection Tax Source Information Report".
4. Enter the interface of tax source collection, select the main table, and click "Enter the Collection Table".
5. Click "Add Line", fill in all the parts marked with an asterisk, and click "Save".
6. According to the items collected in the main table, fill in the relevant schedules accordingly to complete the collection of tax sources.