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Tax Diary June/July 2018
21 May 2018
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Tax Diary June/July 2018

Find out more about the most important tax dates for June/July 2018.

  • 1 June 2018 - Due date for Corporation Tax due for the year ended 31 August 2017.
  • 19 June 2018 - PAYE and NIC deductions due for month ended 5 June 2018. (If you pay your tax electronically the due date is 22 June 2018)
  • 19 June 2018 - Filing deadline for the CIS300 monthly return for the month ended 5 June 2018.
  • 19 June 2018 - CIS tax deducted for the month ended 5 June 2018 is payable by today.
  • 1 July 2018 - Due date for Corporation Tax due for the year ended 30 September 2017.
  • 6 July 2018 - Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.
  • 19 July 2018 - Pay Class 1A NICs (by the 22 July 2018 if paid electronically).
  • 19 July 2018 - PAYE and NIC deductions due for month ended 5 July 2018. (If you pay your tax electronically the due date is 22 July 2018)
  • 19 July 2018 - Filing deadline for the CIS300 monthly return for the month ended 5 July 2018.
  • 19 July 2018 - CIS tax deducted for the month ended 5 July 2018 is payable by today.