Calculator for working out Interest and Penalties for Tax Years ended 5 April 1998 to 5 April 2017 inclusive.
It should only be used if your tax affairs are straightforward and you are entitled to only basic personal allowances. You will be able to complete and save this calculator. Please refer to the section 'Before you start' for further information.
This document is available in the following formats
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HM Revenue and Customs (HMRC) are creating new versions of their forms that don’t depend on Adobe Reader. Whilst this work is in progress the following methods can be used to ensure the form will download or open in Adobe Reader:
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