The 21st entry into the social security can still be paid into the

Legal analysis: can. Social security contribution is to participate in all kinds of social security insurance and pay the premium behavior. Generally refers to the social integration of pension insurance, medical insurance, unemployment insurance, industrial injury insurance, maternity insurance contributions. Social security contributions are divided into two parts: the part paid by the unit and the part paid by the individual.

Legal basis: The Social Insurance Law of the People's Republic of China Article 57 An employer shall, within thirty days from the date of its establishment and on the basis of its business license, certificate of registration or seal, apply to the local social insurance agency for social insurance registration. The social insurance agency shall examine and approve the application within fifteen days from the date of receipt of the application and issue the social insurance registration document.

If the employer's social insurance registration changes or the employer is terminated according to law, the employer shall, within thirty days from the date of change or termination, apply to the social insurance agency for change or cancellation of social insurance registration.

The market supervision and management department, the civil affairs department and the organization and establishment management organs shall promptly notify the social insurance agency of the establishment and termination of the employer, and the public security organs shall promptly notify the social insurance agency of births and deaths, as well as the registration, relocation, and cancellation of household registration of individuals.