Dates and deadlines.

Essential dates for your business calendar

It’s simply not worth missing certain dates in the business calendar. But, when you’re busy, it’s easily done. We’ve removed the stresses surrounding these important milestones and put them in one place — here!

Add these key milestones to your calendar and you’ll be guaranteed to stay on the right track.

01 March 2024

  • Corporation tax payment

    Corporation tax payment due for year end 31 May 2023, for those companies not liable to pay their liability by instalments.

  • Advisory fuel rates

    New fuel rates come into force.

07 March 2024

  • VAT return

    Due date for January VAT returns unless exempted.

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.

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