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Self assessment - key dates

2022/23

31 January 2022 - First payment on account due for 2021/22 tax year.

31 July 2022 - Second payment on account for 2021/22 tax year.

5 October 2022 - Deadline for notifying HMRC of new sources of income (including the Child Benefit charge) if no tax return has been issued for 2021/22 tax year.

31 October 2022 - Deadline for submission of 2021/22 non-electronic returns.

30 December 2022 - Deadline for submission of 2021/22 electronic tax returns if 'coding out' of eligible underpayment is required.

31 January 2023 - Deadline for filing electronic tax returns for 2021/22. Balancing payment due for 2021/22 tax year. First payment on account due for 2022/23 tax year.

2021/22

31 January 2021 - First payment on account due for 2020/21 tax year.

31 July 2021 - Second payment on account for 2020/21 tax year.

5 October 2021 - Deadline for notifying HMRC of new sources of income (including the Child Benefit charge) if no tax return has been issued for 2020/21 tax year.

31 October 2021 - Deadline for submission of 2020/21 non-electronic returns.

30 December 2021 - Deadline for submission of 2020/21 electronic tax returns if 'coding out' of eligible underpayment is required.

31 January 2022 - Deadline for filing electronic tax returns for 2020/21. Balancing payment due for 2020/21 tax year. First payment on account due for 2021/22 tax year.