The UK tax year: 6 April to 5 April

The rule

1. If you do not prepare accounts, you record your income and expenses for each tax year, 6 April to 5 April.

   ›What GOV.UK says

   “If you do not prepare accounts, you will need to record your income and expenses for each tax year (6 April to 5 April).”

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2. HMRC works out tax based on the tax year.

   ›What GOV.UK says

   “This is because HM Revenue and Customs (HMRC) works out tax based on the tax year.”

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3. If your business accounting year ends on or between 31 March and 4 April, you can treat your accounting year as if it ends on 5 April, and report those profits without apportioning for the 5 days after 31 March.

   ›What GOV.UK says

   “If your business accounting year ends on or between 31 March to 4 April, you can treat your accounting year as if it ends on 5 April. This means you can report those profits without apportioning for the 5 days after 31 March.”

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How Bilbx applies it

• Tax Lab, part of Bilbx Premium, totals your receipts by tax year, from 6 April to 5 April.
• Tax Lab can also total any dates you pick, such as your own accounting year.
• Its export for your accountant covers the same year, receipt by receipt.

Worked examples

Bilbx's own tests run these exact cases against the website and the app.

Check a receipt

Enter a receipt to see what Bilbx does with it under the UK's rules. It is worked out in your browser by the same code the app runs, and nothing you enter is sent or stored.