1 October 2022 - Due date for Corporation Tax due for the year ended 31 December 2021. 19 October 2022 - PAYE and NIC deductions due for month ended 5 October 2022. (If you pay your tax electronically the due date is 22 October 2022.) 19 October 2022 - Filing deadline for the CIS300 monthly return for the month ended 5 October 2022. 19 October 2022 - CIS tax deducted for the month ended 5 October 2022 is payable by today. 31 October 2022 – Latest date you can file a paper version of your 2021-22 self-assessment tax return. 1 November 2022 - Due date for Corporation Tax due for the year ended 31 January 2022. 19 November 2022 - PAYE and NIC deductions due for month ended 5 November 2022. (If you pay your tax electronically the due date is 22 November 2022.) 19 November 2022 - Filing deadline for the CIS300 monthly return for the month ended 5 November 2022. 19 November 2022 - CIS tax deducted for the month ended 5 November 2022 is payable by today. Source: HM Revenue & Customs | 20-09-2022Tax Diary October/November 2022