What does social security only mean?

Legal analysis: the requirement of only social security means that professional technicians and those who pay social security for them work in the same unit, and one person can only have one social security, otherwise it will be regarded as "hanging the certificate", ranging from fine to revocation of professional qualification. 20 18, 1 1, the Ministry of Housing and Urban-Rural Development and other five ministries and commissions issued notices to rectify illegal acts such as "hanging certificates" in the engineering field, requiring employees to have unique social security.

Legal basis: Article 39 of the Labor Contract Law: The employer may terminate the labor contract if the employee is under any of the following circumstances: (1) The employee is proved to be unqualified for employment during the probation period; (two) a serious violation of the rules and regulations of the employer; (three) serious dereliction of duty, corruption, causing great damage to the employer; (4) The laborer establishes labor relations with other employers at the same time, which has a serious impact on the completion of the work tasks of the unit, or the employer refuses to correct it; (5) The labor contract is invalid due to the circumstances specified in Item 1 of Paragraph 1 of Article 26 of this Law; (6) Being investigated for criminal responsibility according to law. Article 72 of the Labor Law stipulates that employers and workers must participate in social insurance and pay social insurance premiums according to law.