I. The following factors shall be taken into account when estimating the useful life of a fixed asset:
1. The estimated production capacity or physical production of the fixed asset.
2, the tangible wear and tear of the fixed asset, such as due to wear and tear in the use of equipment, housing and buildings subject to natural erosion and so on.
3, the intangible loss of the fixed assets, such as new technological advances in the existing asset technology level of relative obsolescence, changes in market demand for products out of date, and so on.
4. Legal or similar restrictions on the use of fixed assets.
Two, how to deal with fixed assets after depreciation
Fixed assets after depreciation is dealt with as follows:
1, the enterprise will be fully depreciated fixed assets to be disposed of, the fixed assets book balance of all the fixed assets carried over to the fixed assets clearance account, after the carry-over, the balance of fixed assets and accumulated depreciation account should be 0;
2, will be All revenues incurred in the process of fixed asset disposal are credited to Fixed Asset Liquidation;
3. All expenses incurred in the process of fixed asset disposal are debited to Fixed Asset Liquidation.
Legal basis:
Article 60 of the Regulations for the Implementation of the Enterprise Income Tax Law
Except as otherwise provided by the competent departments in charge of finance and taxation under the State Council, the minimum number of years for the calculation of depreciation of fixed assets shall be as follows:
(1) Houses and buildings, 20 years;
(2) Aircraft, trains, ships, machines, machinery and other production equipment, 10 years;
(iii) apparatus, tools, furniture, etc., related to production and business activities, 5 years;
(iv) means of transportation other than airplanes, trains and ships, 4 years;
(v) electronic equipment, 3 years.