On what date does Zhengzhou social security start to deduct fees?

19. Zhengzhou Social Security will make online declaration and self-service payment before 19 every month. After the deduction of the social security fee paid in the current month is successful, the social security card will be used from next month 1, and the social security bureau will lock the social security account of the corresponding company on 19 every month, that is, the deduction will be made on 19 every month.