Social security is paid by both sides in Xiamen and Zhangzhou. How to refund the duplicate payment?

The formalities are all handled by the unit. All the overpayments made by units and individuals can be refunded.

Print the payment list and stamp it in the social security bureau where the original unit is located, which proves that you paid social security there. Due to the change of working relationship. Fill in the refund application form and go through the refund application formalities at the Social Security Bureau.