Group 1 - The article discusses various types of insurance that companies can deduct from their taxable income, focusing on employee-related insurance and specific industry regulations [3][4][5][6][8]. - Companies can deduct basic social insurance contributions such as pension, medical, unemployment, work injury, maternity insurance, and housing provident fund for employees [3]. - Supplementary pension and medical insurance contributions are deductible up to 5% of the total employee wages [4]. - Special occupational safety insurance and business travel accident insurance for employees on official trips are also deductible [5][6]. Group 2 - Companies can deduct property insurance premiums and liability insurance premiums, such as employer liability and public liability insurance, from their taxable income [8]. - For banking institutions, the deposit insurance premiums calculated at a rate not exceeding 0.0016 are deductible [8]. - The article provides guidance on how to report deductible insurance premiums in tax forms [8].

Core Viewpoint - The article discusses the tax deductibility of various types of insurance expenses that companies can claim, specifically focusing on social insurance and commercial insurance, highlighting which are deductible and which are not [6][11]. Group 1: Tax Deductible Insurance Expenses - Companies can deduct basic social insurance expenses such as basic pension insurance, basic medical insurance, unemployment insurance, work injury insurance, maternity insurance, and housing provident fund as per the regulations set by the State Council or provincial governments [6][11]. - Supplementary pension and medical insurance paid by companies for employees are also deductible within the limits set by the relevant financial and tax authorities [6][11]. Group 2: Non-Deductible Insurance Expenses - Commercial insurance premiums paid by companies for investors or employees are not deductible, except for specific cases such as personal safety insurance for special occupational workers as defined by national regulations [8][11]. - An example provided illustrates that a company can deduct a total of 2.15 million yuan in insurance expenses, while 400,000 yuan in commercial insurance premiums cannot be deducted [11].