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Tax Diary December 2017

Sue Lucas

December is a very busy time in the tax calendar, with critical filing dates.

Please check below for dates that may be relevant to your business throughout the year.

1 December 2017 - Due date for corporation tax due for the year ended 29 February 2017.

19 December 2017 - PAYE and NIC deductions due for month ended 5 December 2017. (If you pay your tax electronically the due date is 22 December 2017)

19 December 2017 - Filing deadline for the CIS300 monthly return for the month ended 5 December 2017.

19 December 2017 - CIS tax deducted for the month ended 5 December 2017 is payable by today.

30 December 2017 - Deadline for filing 2016-17 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2018-19
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