Tax Diary October/November 2021
1 October 2021 - Due date for Corporation Tax due for the year ended 31 December 2020.
19 October 2021 - PAYE and NIC deductions due for month ended 5 October 2021. (If you pay your tax electronically the due date is 22 October 2021.)
19 October 2021 - Filing deadline for the CIS300 monthly return for the month ended 5 October 2021.
19 October 2021 - CIS tax deducted for the month ended 5 October 2021 is payable by today.
31 October 2021 – Latest date you can file a paper version of your 2021 self-assessment tax return.
1 November 2021 - Due date for Corporation Tax due for the year ended 31 January 2021.
19 November 2021 - PAYE and NIC deductions due for month ended 5 November 2021. (If you pay your tax electronically the due date is 22 November 2021.)
19 November 2021 - Filing deadline for the CIS300 monthly return for the month ended 5 November 2021.
19 November 2021 - CIS tax deducted for the month ended 5 November 2021 is payable by today.
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