Social security became compulsory in that year.

20 1 1 year. According to the "Social Insurance Law of People's Republic of China (PRC)", it is known that Article 34 stipulates that social insurance insured units and insured persons shall pay social insurance premiums in accordance with the provisions of this Law. Since 20 1 1, the state has implemented a social insurance system, and every unit and individual must participate in social insurance and pay the corresponding social insurance premium.