Dates and Deadlines

Counting the days

Our comprehensive list of important dates and deadlines throughout the tax year can help you keep track of your returns.

With our online tax calendar, you will be able to stay on top of your essential filing dates with HMRC.

19 March 2024

  • 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 2024.

  • CIS return

    Construction Industry Scheme: monthly return due for period up to 5th of previous month.

21 March 2024

  • Intrastat

    Due date for payment of supplementary declarations for February 2024.

22 March 2024

  • 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 March 2024

  • Corporation tax

    End of corporation tax financial year.

  • CT61

    End of CT61 quarterly period.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 March 2023 to be submitted to HMRC.

  • Company accounts filing deadline

    Check your company’s financial year-end. The deadline for both filing your annual accounts and paying your corporation tax bill is usually 9 months after the end of your company’s financial year, while your corporation tax return is due 12 months after the end of the accounting period it covers.

01 April 2024

  • Corporation tax payment

    Corporation tax payment due for year end 30 June 2023, for those companies not liable to pay their liability by installments.

05 April 2024

  • P46 (car) electronic

    Quarter to 5 April 2024.

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