Dates and deadlines

31 August 2021

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

01 September 2021

  • Advisory fuel rates

    New fuel rates come into force.

  • Corporation tax payment

    Corporation tax payment due for year end 30 November 2020, for those companies not liable to pay their liability by instalments.

07 September 2021

  • VAT return

    Due date for July VAT returns unless exempted.

19 September 2021

  • CIS return

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

  • Monthly postal PAYE/class 1 NICs/student loan payment

    If you pay by cheque through the post, pay PAYE, class 1 NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

21 September 2021

  • Intrastat

    Due date for payment of supplementary declarations for August 2021.

22 September 2021

  • 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.

30 September 2021

  • CT61

    End of CT61 quarterly period.

  • Company accounts filing deadline

    Deadline for filing your company tax return is 12 months after your accounting period for corporation tax ends.

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