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Tax Diary October 2023 | Important Tax Year Dates and Deadlines

Tax Diary October 2023 | Important Tax Year Dates and Deadlines

Mike Wakeford

  • 1 October 2023 - Due date for Corporation Tax due for the year ended 31 December 2022.

 

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

 

  • 19 October 2023 - Filing deadline for the CIS300 monthly return for the month ended 5 October 2023. 

 

  • 19 October 2023 - CIS tax deducted for the month ended 5 October 2023 is payable by today.

 

  • 31 October 2023 – Latest date you can file a paper version of your 2022-23 self-assessment tax return.

CISCIS300corporation taxNICPAYEself assessment tax return