Group 1 - The article discusses the process of tax declaration and compliance for enterprises, particularly focusing on environmental protection tax and the steps involved in the electronic tax system [4][10][12]. - It outlines the necessary information required for tax source collection, including enterprise basic information and pollution source details [17][20][34]. - The article emphasizes the importance of ensuring that the data entered matches the information in the environmental monitoring system to avoid discrepancies [20][22][29]. Group 2 - The article details the steps for calculating and reporting air and water pollutants, including the use of automatic monitoring data to fill in tax declaration forms [25][46][48]. - It highlights the need for enterprises to confirm the accuracy of pre-filled data regarding pollutant emissions and to make necessary adjustments if discrepancies are found [27][31]. - The article also mentions the potential for tax reductions based on compliance with environmental standards and the importance of selecting the correct tax exemption codes [28][29][54].