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Help with PAYE Settlement Agreement calculations — GfC1 Guidelines for Compliance

Find out the approaches you can take for PAYE Settlement Agreements (PSA) to lower the risk of tax non-compliance and reduce the likelihood of checks.

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These guidelines outline HMRC’s preferred method of submitting calculations for PAYE Settlement Agreements (PSA).

They’re designed to help employers to reduce the risk of error when they calculate a PSA.

You’ll find information on:

  • entering into an agreement
  • how to pay an agreement
  • common errors and risks
  • calculating the amount to pay
  • what to do if you’ve made a mistake
Published 6 October 2022
Last updated 19 May 2023 + show all updates
  1. We have added information on how to get a PAYE Settlement agreement online under ‘How to enter an agreement’. You can also use this online service to cancel or amend a PSA. We have clarified information under ‘How to pay an agreement’.

  2. The 'calculation errors' section has been updated. If you've identified an error after calculations have been submitted to HMRC, you now need to email payesettlementagreements@hmrc.gov.uk to correct the error.

  3. The rates for 2022 to 2023 for calculating Class 1B National Insurance contributions have been approved by Parliament.

  4. First published.