Policy Basis - The corporate income tax law allows for a deduction of 60% of business entertainment expenses related to production and operation activities, capped at 5% of annual sales revenue [3] - Insurance companies can deduct up to 18% of their commission and handling fees, based on the net premium income after deducting refunds [3] - Advertising and business promotion expenses can be deducted up to 15% of annual sales revenue, with specific exceptions for certain industries allowing up to 30% [3][4] - Employee welfare expenses can be deducted up to 14% of total salary expenses [4] - Employee education expenses can be deducted up to 8% of total salary expenses, with excess amounts allowed to be carried forward [4] - Supplementary pension and medical insurance contributions can be deducted up to 5% of total salary expenses [4] Tax Treatment - Non-resident enterprises may inquire about eligibility for small and micro enterprise income tax preferential policies [6] - Equipment purchases of 3.2 million yuan can be deducted in the year of purchase [6] - Non-taxable income categories under corporate income tax are outlined [6] Revenue Recognition - Revenue from prepayments should be recognized in the year the goods are delivered and accepted, following the accrual basis of accounting [10][14] - The recognition of sales revenue must adhere to the principles of accrual accounting and substance over form [11][13]

Core Viewpoint - The article focuses on the tax-deductible expense ratios for various common expenses during the 2024 corporate income tax filing process, emphasizing the importance of understanding these ratios for successful tax compliance. Group 1: Salary and Employee Benefits - Salary and wages are fully deductible at 100% for reasonable expenses incurred by the company [1] - Employee welfare expenses are deductible up to 14% of total salary and wages [2] - Employee education expenses are deductible up to 8% of total salary and wages, with excess amounts allowed to be carried forward [3] - Union fees are deductible up to 2% of total salary and wages [4] - Basic social insurance and housing fund contributions are fully deductible at 100% [4] - Supplementary pension and medical insurance contributions are deductible up to 5% of total salary and wages [4] Group 2: Advertising and Business Promotion - Advertising and business promotion expenses are deductible up to 15% of annual sales revenue, with specific industries like cosmetics, pharmaceuticals, and beverages allowed up to 30% [8] - Tobacco advertising expenses are not deductible [9] - Business entertainment expenses are deductible at 60% of the incurred amount, capped at 5‰ of annual sales revenue [10] Group 3: Commissions and Fees - General commissions and fees are deductible up to 5% of the income confirmed by contracts with qualified intermediaries [13] - Insurance companies can deduct commissions and fees up to 18% of total premium income after deducting refunds [14] - Companies primarily engaged in agency services can deduct actual costs related to commissions and fees at 100% [15] Group 4: Donations - Charitable donations are deductible up to 12% of annual profit, with excess amounts allowed to be carried forward for three years [19] - Donations for poverty alleviation are fully deductible at 100% if made through recognized organizations or government bodies [20] - Non-charitable donations are not deductible [21]