About the deduction of fees for social insurance for flexibly employed people

Generally, the current month's expenses are deducted in the current month, or the expenses of the previous month are deducted mostly.

In response to the details you mentioned, it is the current month's deduction, December and January social security costs, are deducted in January, that is, nearly 300 yuan per month costs.

And why another $297 was deducted, that's because this year's Spring Festival was in February, which is special, so the transfer was processed before the holiday.