Policy paper

Changing the late payment interest rate for unpaid tax

This tax information and impact note is about increasing the interest rate for late payments of unpaid tax.

• From: HM Revenue & Customs
• Published: 26 March 2025

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Changing late payment interest rates on unpaid tax liabilities

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This measure increases the interest rate on late payment of unpaid tax by 1.5% to encourage taxpayers to pay on time.