legal ground
Article 72 of the Labor Law determines the sources of social insurance funds according to the types of insurance, and gradually implements social overall planning. Employers and workers must participate in social insurance and pay social insurance premiums according to law. Article 58 of the Social Insurance Law: The employing unit shall handle social insurance registration for employees within 30 days from the date of employment. If the social insurance has not been registered, the social insurance agency shall verify the social insurance premium it should pay.
skill
The above answer is only for the current information combined with my understanding of the law, please refer carefully!
If you still have questions about this issue, I suggest you sort out relevant information and communicate with professionals in detail.