1. Payment process

1. Application Form for Payment of Social Insurance Fees in Guangzhou SF95 in duplicate (personal social security number is required) (it can be downloaded online or provided by the front desk of the local taxation bureau)

2. Copy of paper documents such as labor contract or salary slip (which can prove labor relationship) is stamped with official seal.

3. Go to the front desk of the local taxation bureau for relevant registration

4. Find a special administrator to make a supplementary entry (it is recommended to go in the morning, because the computer entry of the special administrator is needed when the special administrator is free)

2. You can pay the supplementary amount according to your actual salary, but if you want to pay less, you should pay it according to the minimum base of 11 in Guangzhou

3. Types of supplementary payment. (This is the lowest)

Fourth, I haven't understood the disadvantages of paying back

I hope I can help you

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Further reading: How to buy insurance, which is better, and teach you how to avoid these "pits" of insurance.