What to do if you processed incorrect NI rates after 6 November?

07 December 2022

With all the changes to national insurance (NI) this year, it may be easy to lose track.

HM Revenue and Customs (HMRC) has updated their rates and thresholds guidance, but they have also added some additional guidance on how to correct errors, if the unfortunatley occur.

The fix problems with running payroll guidance now has advice for how to correct errors made should payroll software not have been updated with new rates for 6 November 2022.

If amendments are needed you will need to:

  • recalculate contributions made after 6 November up to when your software was updated
  • report the figures on your next Full Payment Submission (FPS), HMRC as that you do not resubmit individual payments
  • refund overpayments to affected employees.

The guidance also explains what steps need to take place if you cannot make the refund to an employee who has left the business.


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