Tax and business calendar
Details of compliance and regulatory deadlines.
To see expired deadlines, please use the following link: Expired deadlines
31 Jan 2023
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Balancing payment
Midnight deadline to pay any outstanding tax you owe from 2021/22.
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First payment on account
Midnight deadline to pay half of any tax owed for 2022/23.
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Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2022 to be submitted to HMRC.
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Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company's financial year ends.
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Personal tax returns (online)
Midnight deadline to submit online self-assessment tax returns for 2021/22.
01 Feb 2023
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Corporation tax payment
Corporation tax payment due for year end 30 April 2022, for those companies not liable to pay their liability by instalments.
07 Feb 2023
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VAT return
Due date for December VAT returns unless exempted.
19 Feb 2023
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Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2023.
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CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 Feb 2023
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Intrastat
Due date for payment of supplementary declarations for January 2023.
22 Feb 2023
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Monthly electronic PAYE/class 1 NICs/student loan payment
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
28 Feb 2023
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Corporation tax return
Filing deadline for corporation tax return self-assessment form CT600 for period ended 28 February 2022 to be submitted to HMRC.
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Company accounts filing deadline
Deadline for filing your annual accounts is 9 months after your company's financial year ends.
01 Mar 2023
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Corporation tax payment
Corporation tax payment due for year end 31 May 2022, for those companies not liable to pay their liability by instalments.
07 Mar 2023
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VAT return
Due date for January VAT returns unless exempted.
19 Mar 2023
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Monthly postal PAYE/class 1 NICs/student loan payment
If you pay by cheque through the post, monthly payments due for PAYE, class 1 NICs and student loan deductions from February 2023.
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CIS return
Construction Industry Scheme: monthly return due for period up to 5th of previous month.
21 Mar 2023
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Intrastat
Due date for payment of supplementary declarations for February 2023.
22 Mar 2023
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Monthly electronic PAYE/class 1 NICs/student loan payment
If paying electronically, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.
31 Mar 2023
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Corporation tax
End of corporation tax financial year.
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