How to deal with the social security paid before 20 14?

The enterprise social security and sub-payment that should be paid in the corresponding time period are all calculated as the payment period. Social security refers to social insurance, including endowment insurance, medical insurance, unemployment insurance, work injury insurance and maternity insurance. For example, institutions that were forced to participate in enterprise social security in the past, but did not pay social security, should pay the enterprise social security in the corresponding period, and pay the endowment insurance for institutions and institutions from 20 14 10, such as teachers 2014/kloc-0.