Tax Diary November/December 2018

1 November 2018 – Due date for Corporation Tax due for the year ended 31 January 2018.
19 November 2018 – PAYE and NIC deductions due for month ended 5 November 2018. (If you pay your tax electronically the due date is 22 November 2018.)
19 November 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 November 2018.
19 November 2018 – CIS tax deducted for the month ended 5 November 2018 is payable by today.
1 December 2018 – Due date for Corporation Tax due for the year ended 29 February 2018.
19 December 2018 – PAYE and NIC deductions due for month ended 5 December 2018. (If you pay your tax electronically the due date is 22 December 2018)
19 December 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2018.
19 December 2018 – CIS tax deducted for the month ended 5 December 2018 is payable by today.
30 December 2018 – Deadline for filing 2017-18 self assessment tax returns online to include a claim for under payments to be collected via tax code in 2019-20.