生活垃圾分类和无害化处理处置项目享受企业所得税“三免三减半”，农村污水处理项目享受企业所得税 “ 三免三减半 ”

Group 1: Tax Incentives for Waste Management Projects - Taxpayers engaged in municipal waste classification and harmless treatment projects can enjoy a three-year exemption from corporate income tax, followed by a 50% reduction for the next three years starting from the first year of revenue generation [3][4][6]. - The projects must involve the classification, storage, transportation, and treatment of urban and rural household waste, excluding landfill disposal [4][7]. - The projects must meet national or local pollutant discharge standards and pass relevant inspections [4][7]. Group 2: Tax Incentives for Rural Sewage Treatment Projects - Taxpayers involved in rural sewage treatment projects can also benefit from a similar tax incentive structure, with a three-year exemption from corporate income tax and a 50% reduction for the subsequent three years [6][8]. - The rural sewage treatment projects include the treatment and resource utilization of rural domestic sewage, livestock waste, and the remediation of polluted rural water bodies [7][8]. - Compliance with pollutant discharge standards and successful project inspections are required for eligibility [7][8].