In this case, we can try to confirm whether the tax registration information is correct and contact the competent tax authorities.

1 Self-employed individuals need to provide relevant supporting documents, such as business license and ID card, when handling tax registration. If the tax registration information is incorrect, you need to go to the local tax authorities to correct it.

2. When handling tax filing, self-employed individuals need to contact the competent tax authorities to confirm the specific requirements and procedures for tax filing. If you encounter problems, you can consult the competent tax authorities and ask for help.