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Tax Diary January/February 2019

1 January 2019 – Due date for Corporation Tax due for the year ended 31 March 2018.19 January 2019 – PAYE and NIC deductions due for month ended 5 January 2019. (If you pay your tax electronically the due date is 22 January 2019)19 January 2019 – Filing deadline for the CIS300 monthly return for the month ended 5 January 2019.19 January 2019 – CIS tax deducted for the month ended 5 January 2019 is payable by today.31 January 2019 – Last day to file 2017-18 Self-Assessment tax returns online.31 January 2019 – Balance of Self-Assessment tax owing for 2017-18 due to be settled on or before today. Also due is any first payment on account for 2018-19.1 February 2019 – Due date for Corporation Tax payable for the year ended 30 April 2018.19 February 2019 – PAYE and NIC deductions due for month ended 5 February 2019. (If you pay your tax electronically the due date is 22 February 2019)19 February 2019 – Filing deadline for the CIS300 monthly return for the month ended 5 February 2019.19 February 2019 – CIS tax deducted for the month ended 5 February 2019 is payable by today.