Tax Diary August and September 2018

Featured image, Blackpool World Firework Championships, takes place over four Friday evenings in September

1 August 2018 – Due date for Corporation Tax due for the year ended 31 October 2017.

19 August 2018 – PAYE and NIC deductions due for month ended 5 August 2018. (If you pay your tax electronically the due date is 22 August 2018)

19 August 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 August 2018.

19 August 2018 – CIS tax deducted for the month ended 5 August 2018 is payable by today.

1 September 2018 – Due date for Corporation Tax due for the year ended 30 November 2017.

19 September 2018 – PAYE and NIC deductions due for month ended 5 September 2018. (If you pay your tax electronically the due date is 22 September 2018)

19 September 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2018.

19 September 2018 – CIS tax deducted for the month ended 5 September 2018 is payable by today.

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