legal ground
Paragraph 1 of Article 2 of the Notice of State Taxation Administration of The People's Republic of China on Some Income Tax Issues Concerning Enterprise Equity Investment Business.
The income or loss from the transfer of enterprise equity investment refers to the balance after deducting the cost of equity investment from the income from the recovery, transfer or liquidation of equity investment. The income from the transfer of enterprise equity investment shall be incorporated into the taxable income of the enterprise, and enterprise income tax shall be paid according to law.