Skip to main content

Planned system outage - 12 September 2026 | Our online services including myIR, self service phone lines and gateway services will be unavailable on Saturday 12 September, 2026 from 1pm to approximately 10.30pm while we complete a planned system update. We apologise for any inconvenience this may cause.

 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
Jump back to the top of the page