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Fiscal year

The fiscal year is the same thing as the “tax year”. In the UK it runs from 6 April one year to 5 April of the following year.

That’s why we don’t say “tax year 2020” or “fiscal year 2021”.

For example, the fiscal year running from 6 April 2020 to 5 April 2021 is called “2020/21”.

The end of the fiscal year is not when you file a tax return, either – the deadline for filing a Self Assessment tax return is 31 January of the following calendar year.

For example, the deadline for filing the “2020/21” Self Assessment is not 31 December 2021, but 31 January 2022.

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