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 Jul 2014

  • Self assessment

    Second self assessment payment on account for 2013/14.

  • Corporation tax return

    Filing deadline for corporation tax return self assessment form CT600 for period ended 31 July 2013 to be submitted to HMRC.

  • Company accounts filing deadline

    Filing deadline at Companies House (Northern Ireland: Companies Registry) of accounts for private companies with a year ended 31 October 2013 and for public companies with a year ended 31 January 2014.

01 Aug 2014

  • Auto-enrolment staging date

    Employers with a PAYE scheme with a size of 61 are required to auto-enrol eligible jobholders into a qualifying workplace pension scheme (known as the 'staging date').

  • Corporation tax payment

    Due date for payment of corporation tax for year ended 31 October 2013, for those companies not liable to pay their liability by instalments.

  • Unfiled 2013 tax return

    In addition to earlier penalties due on 1 February and 1 May any unfiled return now attracts a further penalty which is £300 or 5 per cent of the tax due, whichever is the higher. There is a further similar level of penalty if the return is unfiled by 31 January 2015. In serious cases the penalty may be as much as 100 per cent of the tax due.

02 Aug 2014

  • Self assessment

    Deadline for outstanding SA tax and Class 4 NICs for 2012/13 to avoid a second 5 per cent penalty.

05 Aug 2014

  • P46 (car)

    Last day for notifying car changes in quarter to 5 July - P46 (Car).

07 Aug 2014

  • VAT return

    Due date for June VAT returns unless exempted.

14 Aug 2014

  • EC sales list

    Deadline for paper monthly or quarterly return filing.

19 Aug 2014

  • CIS return

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

20 Aug 2014

  • Postal PAYE/NIC/student loan

    If paying by cheque, HMRC must have received a cheque by this date. Pay PAYE, NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

21 Aug 2014

  • EC sales list

    Deadline for online monthly or quarterly return filing.

  • Intrastat

    Due date for payment of supplementary declarations for July 2014.

22 Aug 2014

  • Electronic PAYE/NIC/student loan payment

    If paying electronically, pay PAYE, NICs, student loan deductions and deductions from payments to subcontractors for the month up to the 5th of this month.

31 Aug 2014

  • Corporation tax return

    Filing deadline for corporation tax return self assessment form CT600 for period ended 31 August 2013 to be submitted to HMRC.

  • Company accounts filing deadline

    Filing deadline at Companies House (Northern Ireland: Companies Registry) of accounts for private companies with a year ended 30 November 2013 and for public companies with a year ended 28 February 2014.

01 Sep 2014

  • Corporation tax payment

    Due date for payment of corporation tax for year ended 30 November 2013, for those companies not liable to pay their liability by instalments.

  • Advisory fuel rates

    New rates come into force.

07 Sep 2014

  • VAT return

    Due date for July VAT returns unless exempted.

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Details of expired compliance and regulatory deadlines.