Legal basis: Regulations on the Implementation of Enterprise Income Tax Law of People's Republic of China (PRC).
Article 66 The tax basis of intangible assets shall be determined according to the following methods: (1) The tax basis shall be the price of intangible assets purchased, relevant taxes and fees paid and other expenses directly attributable to making the assets reach the intended purpose; (2) For self-developed intangible assets, the tax basis shall be the expenses incurred during the period from the capitalization condition of the assets in the development process to the scheduled usable state; (3) Intangible assets obtained through donation, investment, exchange of non-monetary assets and debt restructuring. , based on the fair value of assets and related taxes and fees paid.
Article 67 The amortization expenses of intangible assets calculated by the straight-line method may be deducted. The amortization period of intangible assets shall not be less than 10 year. As the investor or transferee of intangible assets, if the relevant laws or contracts stipulate the service life, it can be amortized in installments according to the stipulated or agreed service life. When an enterprise is transferred or liquidated as a whole, expenses for purchasing goodwill are allowed to be deducted.