Article 57 of the Regulations for the Implementation of the Enterprise Income Tax Law of People's Republic of China (PRC) The fixed assets mentioned in Article 11 of the Enterprise Income Tax Law refer to the non-monetary assets held by enterprises for the purpose of producing products, providing labor services, leasing or operating management and used for more than 65,438+02 months, including houses, buildings, machines, machinery, means of transport and other equipment, appliances and tools related to production and business activities. Article 60 Unless otherwise stipulated by the competent departments of finance and taxation of the State Council, the minimum period for calculating the depreciation of fixed assets is as follows: (1) 20 years for buildings; (2) Aircraft, trains, ships, machines, machinery and other production equipment, 10 year; (3) Appliances, tools and furniture. 5 years related to production and business activities; (4) Four years for vehicles other than airplanes, trains and ships; (five) electronic equipment, for 3 years. Article 98 The fixed assets mentioned in Article 32 of the Enterprise Income Tax Law that can be depreciated by shortening the depreciation period or adopting the accelerated depreciation method include: (1) fixed assets whose products are updated faster due to technological progress; (2) Fixed assets are in a state of strong vibration and high corrosion all the year round. If the depreciation period is shortened, the minimum depreciation period shall not be less than 60% of the depreciation period stipulated in Article 60 of these regulations; If the accelerated depreciation method is adopted, the double declining balance method or the sum of years method can be adopted. According to this regulation, non-monetary assets held by an enterprise for producing products, providing labor services, leasing or operating management, which have been used for more than 12 months, shall be managed as fixed assets and depreciated according to the years specified in Articles 60 and 98 of the implementing regulations. Simple houses and carports belong to buildings, and their depreciation period, whether simple or permanent, cannot be less than 20 years. The minimum service life of solar water heaters and gas water heaters is 5 years.