Commentary

A4.214 Income tax and capital gains tax

Administration and compliance

A4.214 Income tax and capital gains tax

Claims following further assessments

A4.214 Income tax and capital gains tax

Where HMRC makes an assessment to income tax or capital gains tax following a discovery that tax has been underpaid1, and the underpayment is not attributable to a careless or deliberate action (before 1 April 2010 to the taxpayer's fraud or negligence), a 'relevant' claim or election may be made (or a previous claim or election may be withdrawn or amended) within one year of the end of the chargeable period in which the assessment was made2.

A claim or election is 'relevant' in relation to an assessment if:

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