How many months can Shanghai pay back the social security?

You can pay social security for up to 6 months, and you need to go to the counter for more than 6 months. You need to submit a lot of information, such as detailed salary slips and so on. Social security payment method: if an individual participates in the insurance in his own name, he can't pay back the missed payment, and only the missed payment caused by the unit can pay back the five insurances; If the unit does not declare (does not open an account), it can only pay the pension; After paying for a period of time, you can find an agent to pay the interruption fee. If the payer (excluding individuals and freelancers) fails to pay the employee's old-age insurance premium, he shall bring the following materials to the social security agency to pay the basic old-age insurance premium: employee file and old-age insurance manual; Application form for payment of basic old-age insurance premium; Labor contract, salary payment schedule, etc. ; Other relevant materials.