1. Income obtained by units and individuals engaged in technology transfer, technology development business and related technical consulting and technical service business shall be exempted from business tax.
2. In a tax year, if the income from technology transfer of resident enterprises does not exceed 5 million yuan, the part exceeding 5 million yuan shall be exempted from income tax, and the enterprise income tax shall be levied by half.
Legal basis: Article 862 of the General Principles of Civil Law of People's Republic of China (PRC) is a technology transfer contract concluded by the obligee who legally owns the technology and assigns the related rights of the existing specific patent, patent application and technical secret to others.