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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 Jan 2019

  • Self-assessment deadline (online)

    Deadline for online submission of self-assessment tax return for 2017/18 tax year.

  • Self-assessment deadline (balancing payments)

    Deadline for online submission of self-assessment balancing payments for 2017/18 tax year.

  • Self-assessment deadline (payment on account)

    Deadline for first self-assessment payment on account for tax year ended 5 April 2018.

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 January 2018 to be submitted to HMRC.

  • Company accounts filing deadline

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

01 Feb 2019

  • Corporation tax payment

    Corporation tax payment due for year end 30 April 2018, for those companies not liable to pay their liability by instalments.

07 Feb 2019

  • VAT return

    Due date for December VAT returns unless exempted.

14 Feb 2019

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Feb 2019

  • 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, monthly payments due for PAYE, class 1 NICs and student loan deductions from January 2019.

21 Feb 2019

  • Intrastat

    Due date for payment of supplementary declarations for January 2019.

  • EC sales list

    Deadline for online monthly or quarterly return filing.

22 Feb 2019

  • 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 2019

  • Company accounts filing deadline

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

  • Corporation tax return

    Filing deadline for corporation tax return self-assessment form CT600 for period ended 28 February 2018 to be submitted to HMRC.

01 Mar 2019

  • Corporation tax payment

    Corporation tax payment due for year end 31 May 2018, for those companies not liable to pay their liability by instalments.

  • Advisory fuel rates

    New fuel rates come into force.

07 Mar 2019

  • VAT return

    Due date for January VAT returns unless exempted.

14 Mar 2019

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Mar 2019

  • CIS return

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

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Expired deadlines

Details of expired compliance and regulatory deadlines.