Core Viewpoint - The article discusses the launch of an online monitoring data intelligent pre-filling declaration function for environmental protection tax in Xiamen, effective from October 1, 2025, allowing polluting units with automatic monitoring equipment to calculate taxes with a single click using data from the electronic tax bureau [2]. Summary by Sections Introduction - The electronic tax bureau has introduced a new feature for environmental protection tax that enables automatic tax calculation based on real-time monitoring data [2]. Steps for Operation - Step 1: Log into the electronic tax bureau and navigate to the tax declaration section [4]. - Step 2: Select the environmental protection tax and proceed to the tax source collection interface [6]. - Step 3: Fill in the necessary enterprise information and add tax sources [7]. - Step 4: Enter details about the pollution discharge permits and pollution types [9]. - Step 5: Save the collected information and proceed to the tax declaration calculation interface [11]. - Step 6: Review the automatically filled data for accuracy before submission [12]. - Step 7: Submit the environmental protection tax declaration [14]. Additional Information - The system will automatically pre-fill pollution calculation methods based on monitoring data, including pollutant names and discharge amounts, which must be verified for correctness before submission [12].