Social security decreased in that month and increased in that month.

1) The payer should increase the number of employees in the month of starting salary and decrease the number of employees in the month of no pay. If there is a record of arrears when downsizing, the payer shall pay the arrears before downsizing.

(2) If the number of employees should be increased in the current month, it can be handled several times within one month, regardless of whether the payer declares the social security expenses of the current month.

(3) If the number of employees should be reduced in the current month, the payer should apply for reducing the number of employees in the current month before reporting the social security expenses in June1-June 15; If you can't apply for downsizing as scheduled, apply for downsizing next month; If the staff reduction is not handled in time, you can apply for a refund next month.

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