Tax Diary December 2019/January 2020
27/11/2019

1 December 2019 - Due date for Corporation Tax payable for the year ended 28 February 2019.

19 December 2019 - PAYE and NIC deductions due for month ended 5 December 2019. (If you pay your tax electronically the due date is 22 December 2019)

19 December 2019 - Filing deadline for the CIS300 monthly return for the month ended 5 December 2019. 

19 December 2019 - CIS tax deducted for the month ended 5 December 2019 is payable by today.

30 December 2019 - Deadline for filing 2018-19 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2020-21.

1 January 2020 - Due date for Corporation Tax due for the year ended 31 March 2019.

19 January 2020 - PAYE and NIC deductions due for month ended 5 January 2020. (If you pay your tax electronically the due date is 22 January 2020)

19 January 2020 - Filing deadline for the CIS300 monthly return for the month ended 5 January 2020. 

19 January 2020 - CIS tax deducted for the month ended 5 January 2020 is payable by today.

31 January 2020 – Last day to file 2018-19 self-assessment tax returns online.

31 January 2020 – Balance of self-assessment tax owing for 2018-19 due to be settled on or before today. Also due is any first payment on account for 2019-20.


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