Tax and business calendar

31 Aug 2019

• Corporation tax return

  Filing deadline for corporation tax return self-assessment form CT600 for period ended 31 August 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 Sep 2019

• Advisory fuel rates

  New fuel rates come into force.

• Corporation tax payment

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

07 Sep 2019

• VAT return

  Due date for July VAT returns unless exempted.

14 Sep 2019

• EC sales list

  Deadline for paper monthly or quarterly return filing.

19 Sep 2019

• CIS return date

  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 August 2019.

21 Sep 2019

• Intrastat

  Due date for payment of supplementary declarations for August 2019.

• EC sales list

  Deadline for online monthly or quarterly return filing.

22 Sep 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.

30 Sep 2019

• 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.

• Corporation tax return

  Filing deadline for corporation tax return self-assessment form CT600 for period ended 30 September 2018 to be submitted to HMRC.

01 Oct 2019

• Corporation tax payment

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

05 Oct 2019

• Income tax and capital gains

  Taxpayers who do not receive a self-assessment tax return to complete must notify HMRC by 5 October if they had income or capital gains in the previous tax year on which further tax is due.

07 Oct 2019

• VAT return

  Due date for August VAT returns unless exempted.

14 Oct 2019

• EC sales list

  Deadline for paper monthly or quarterly return filing.

• CT61 payment

  Due date for income tax for the CT61 quarter to 30 September 2019.

19 Oct 2019

• Quarterly postal PAYE/class 1 NICs payment

  Q2 (2019/20) PAYE/NIC payment due where paid by cheque. The cheque must be with HMRC by this date in order to avoid automatic interest charge.