Tax returns FY2022-2023: important deadlines
Put these key dates for 2022-23, and 2023-24 self-assessment tax returns in your diary to avoid a penalty for missing the deadlines.
6 April 2023: first day of the new 2023-24 tax year
Depending on what has been agreed in the Budget, new tax rates and allowances for 2023-24 will come into force from today, so make sure you know if anything has changed.
If you have all of the information you need, you could file your 2022-23 tax return from this date.
31 July 2023: second payment on account due
Self-employed workers who pay tax through payment on account will have to make their second payment by midnight on 31 July.
The amount you pay is an estimate based on your earnings in 2021-22. If you still owe tax after this has been paid, a further ‘balancing payment’ may be due on 31 January 2024.
5 October 2023: register for self-assessment
If you’ve never submitted a self-assessment tax return before, you must register by 5 October 2023 in order to submit for the 2022-23 tax year.
31 October 2023: paper tax returns due
This is the deadline for filing a paper tax return. However, if you receive a notice from HMRC that you must file a tax return after 31 July 2023, you’ll need to send back the completed form within three months of the date issued on the notice.
30 December 2023: opt into PAYE
If you file your tax return online and also have earnings taxed under PAYE, you can opt to have overdue tax collected via your tax code throughout the following year.
However, to be eligible your tax bill must be less than £3,000 and you must file your online return by this date. The advantage of this is that any tax payable would be paid over 12 months from April 2024, rather than a single lump sum by 31 January 2024.
31 January 2024: online tax returns and first payment on account due
This is the deadline for online tax returns for the 2022-23 tax year. HMRC must have received your tax return by midnight.
Usually, the only time this deadline may differ is if you received a notice to make an online tax return from HMRC after 31 October 2023, in which case you have three months from the date of issue to file.
The deadline to pay your tax bill is also 31 January, and if you’re self-employed it’s the day you’ll have to make your first payment on account for the 2023-24 tax year, and a balancing payment if tax is still owed from your 2022-23 income
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