What is the social security registration number after the integration of the three certificates?

After the integration of the three certificates, the social security registration number is the social security number, which is the code on the social security registration certificate issued by the social security center to the enterprise after the enterprise completes the social security registration. The social insurance registration number is 18 unified social credit code in the business license. You can consult the local social security bureau or the personnel department of the company. Social insurance registration is also the foundation of the whole social insurance system, and the social insurance agencies of the administrative departments of labor security at or above the county level are responsible for social insurance registration.