Legal analysis: 1. After entering the personal income tax face registration page, you must first check the yellow text information. The failure of face recognition is largely due to the failure to follow this requirement. For example, take off your glasses and try it under the condition of sufficient light. 2. When using the application for the first time, face recognition is used to get the photo permission of the mobile phone. If this prompt pops up, click Allow to avoid being unable to enter the identification interface after prohibition. 3. In the face recognition interface, you should read the prompts clearly, such as the prompt that no face has been detected. That means that face recognition is definitely impossible without detecting facial information. You need to put your whole face in the camera. 4. At the same time, after successful face recognition, you need to blink your eyes to authenticate. If you don't blink, the system can't judge and can't register.

Legal basis: People's Republic of China (PRC) Tax Collection and Management Law.

Article 1 This Law is formulated with a view to strengthening the administration of tax collection, standardizing tax collection, safeguarding national tax revenue, protecting the legitimate rights and interests of taxpayers and promoting economic and social development.

Article 2 This Law is applicable to the collection and management of various taxes collected by tax authorities according to law.

Article 3 The collection, suspension, reduction, exemption, refund and supplementary payment of taxes shall be carried out in accordance with the law. Where the State Council is authorized by law, it shall be implemented in accordance with the administrative regulations formulated by the State Council.

No organ, unit or individual may, in violation of the provisions of laws and administrative regulations, arbitrarily make decisions on tax collection, suspension, tax reduction, exemption, tax refund, overdue tax and other decisions inconsistent with tax laws and administrative regulations.

Article 4 Units and individuals that are obligated to pay taxes according to laws and administrative regulations are taxpayers.

Units and individuals that have the obligation to withhold and pay taxes according to laws and administrative regulations are withholding agents. Taxpayers and withholding agents must pay taxes, withhold and remit taxes and collect and remit taxes in accordance with the provisions of laws and administrative regulations.