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Tax Diary November/December 2023

13 October 2023

Mark your calendar for key tax deadlines in Nov & Dec 2023. Don't miss due dates for Corporation Tax, PAYE, NIC, CIS, and self-assessment claims. Stay compliant and avoid penalties.

1 November 2023 – Due date for Corporation Tax due for the year ended 31 January 2023.

19 November 2023 – PAYE and NIC deductions due for month ended 5 Nov 2023. (If you pay your tax electronically the due date is 22 November 2023.)

19 November 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 Nov 2023.

19 November 2023 – CIS tax deducted for the month ended 5 November 2023 is payable by today.

1 December 2023 – Due date for Corporation Tax payable for the year ended 28 February 2023.

19 December 2023 – PAYE and NIC deductions due for month ended 5 December 2023. (If you pay your tax electronically the due date is 22 December 2023).

19 December 2023 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2023.

19 December 2023 – CIS tax deducted for the month ended 5 December 2023 is payable by today.

30 December 2023 – Deadline for filing 2022-23 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2024-25.

Source: HM Revenue & Customs Fri, 13 Oct 2023 00:00:00 +0100

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