Group 1 - The article provides a step-by-step guide for enterprises to log into the electronic tax bureau and handle environmental protection tax declaration and payment [2][3][4] - It emphasizes the importance of collecting tax source information for environmental protection tax, including details about pollutant discharge permits and pollutant information [5][7][8] - The article outlines the process for calculating and submitting the environmental protection tax, including the need to maintain geographic coordinates if discharge permits are not available [15][16][22][23] Group 2 - The article details the necessary steps for tax source collection, including filling out enterprise information and adding new tax sources as needed [5][13] - It explains the use of an intelligent pre-fill feature to automatically obtain pollutant discharge coefficients based on industry standards [9][10][21] - The article highlights the final steps in the declaration process, including the submission of tax data and confirmation of successful submission [22][23]