Tax Diary July/August 2018

Dates and deadlines for this month and August:

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.

31 July 2018 – Deadline for payment of second instalment self-assessment for 2017-18.

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.

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