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Below are some key financial dates and deadlines for October 2017

1 October 2017

  • Payment of corporation tax liabilities for periods ended 31 December 2016 for small and medium-sized companies not liable to pay in instalments.

5 October 2017

  • HMRC must be advised of income tax or capital gains tax liabilities for 2016-17 if a tax return or notice to file has not been received.

7 October 2017

  • Due date for VAT return and payment for 31 August 2017 quarter (electronic payment).

14 October 2017

  • Form CT61 to be submitted and tax paid for quarter ended 30 September 2017.
  • Quarterly corporation tax instalment for large companies depending on accounting year end.
  • Monthly EC sales list (paper return).

19 October 2017

  • Pay PAYE/construction industry scheme liabilities for month ended 5 October 2017 if by cheque.
  • File monthly CIS return.
  • PAYE settlement agreement tax/class 1B National Insurance contributions liabilities if paying by cheque.
  • Payment of PAYE liability for quarter ended 5 October 2017 if average monthly liability is less than £1,500.

21 October 2017

  • File online monthly EC sales list.
  • Submit supplementary intrastat declarations for September 2017.

22 October 2017

  • PAYE/National Insurance/student loan/CIS payments if being paid online.
  • Electronic payment of PAYE for quarter ended 5 October 2017 if average monthly liability is less than £1,500.
  • Electronic payment of PAYE settlement agreement liabilities.

31 October 2017

  • Deadline for submission of 2016-17 paper self-assessment tax returns.
  • Deadline for inpiduals with PAYE income to request a self-assessment tax return for 2013-14 under ITEPA 2003, s 711.
  • Companies House should have received accounts of private companies with a 31 January 2017 year end.
  • Companies House should have received accounts of public limited companies with a 30 April 2017 year end.
  • HMRC should have received corporation tax self-assessment returns for companies with accounting periods ended 31 October 2016.