How to cancel and report the loss of social security card?

1. The new card must be released before it can be reissued.

2. Materials that need to be provided to social insurance agencies.

I can handle it myself or entrust others, but I have to issue a power of attorney.

4, social insurance agencies through business handling, statistics, investigation to obtain the data needed for social insurance work, the relevant units and individuals shall timely and truthfully provide. The social insurance agency shall establish a file for the employer in a timely manner, completely and accurately record the social insurance data such as personnel's participation in social insurance and payment, and properly keep the original vouchers for registration and declaration and accounting vouchers for payment and settlement.