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End-of-year arrangements Our offices and phone lines will close down over the holiday season, but our website, self-service 0800 number and myIR will remain available. End of year closures

 Effective from 16 January 2025 the UOMI rates on underpayments and overpayments of tax will change.

The new rates are:

  • underpayments – 10.88% down from 10.91%
  • overpayments – 4.30% down from 4.67%

 Rates are reviewed regularly to ensure they are aligned with market interest rates.

Last updated: 18 Dec 2024
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