Tax and business calendar

Details of compliance and regulatory deadlines.

To see expired deadlines, please use the following link: Expired deadlines

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31 Aug 2017

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 August 2016 to be submitted to HMRC.

  • Company accounts filing deadline

    Deadline for filing your financial statements/accounts with Companies House is 9 months after the period end.

01 Sep 2017

  • Corporation tax payment

    Due date for payment of corporation tax for year ended 30 November 2016, for those companies not liable to pay their liability by instalments.

  • Advisory fuel rates

    New fuel rates come into force.

07 Sep 2017

  • VAT return

    Due date for July VAT returns unless exempted.

14 Sep 2017

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Sep 2017

  • CIS return date

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

  • Postal monthly PAYE/class 1 NICs/student loan payment

    If paying by cheque, 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 Sep 2017

  • EC sales list

    Deadline for online monthly or quarterly return filing.

  • Intrastat

    Due date for payment of supplementary declarations for August 2017.

22 Sep 2017

  • Electronic monthly 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 Sep 2017

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 September 2016 to be submitted to HMRC.

  • CT61

    End of CT61 quarterly period.

  • Company accounts filing deadline

    Deadline for filing your financial statements/accounts with Companies House is 9 months after the period end.

01 Oct 2017

  • Corporation tax payment

    Due date for payment of corporation tax for year ended 31 December 2016, for those companies not liable to pay their liability by instalments.

  • Auto-enrolment staging dates

    Auto-enrolment staging date for new employers with PAYE income first payable between 1 April 2015 and 31 December 2015.

05 Oct 2017

  • Income tax and captial gains

    Deadline to notify chargeability for income tax or capital gains tax if not registerd for self-assessment for 2016/17.

07 Oct 2017

  • VAT return

    Due date for August VAT returns unless exempted.

14 Oct 2017

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Oct 2017

  • PAYE/class 1 NICs quarterly payment

    Quarter 2 (2017/18) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.

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Details of expired compliance and regulatory deadlines.