What does it mean to raise the file to make up the difference in old-age insurance?

Legal analysis: social security supplement: a new base of the annual social security inspection times at the beginning of the year comes from the average salary of employees in the previous year. After confirmation, all insurance will be deducted according to the new base. However, in terms of years, the items deducted according to the old base before adjustment will be supplemented according to the difference between the new base and the old base.

Legal basis: Article 10 of the Social Insurance Law of People's Republic of China (PRC) * * * Employees shall participate in the basic old-age insurance, and both employers and employees shall pay the basic old-age insurance premium.

Individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employer and other flexible employees can participate in the basic old-age insurance, and individuals pay the basic old-age insurance premium.

The measures for the endowment insurance of civil servants and staff managed by reference to the Civil Service Law shall be formulated by the State Council.