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Budget 2025 | The Government has introduced changes to Working for Families and KiwiSaver as well as introducing Investment Boost: an immediate tax deduction when acquiring new business assets. Find out more: www.budget.govt.nz

Effective from 29 August 2023, the UOMI rates on underpayments and overpayments of tax will change.

The new rates are:

  • Underpayments – 10.91% (up from 10.39%)
  • Overpayments – 4.67% (up from 3.53%)

We review the rates regularly so that they align with market interest rates.

Last updated: 08 Aug 2023
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