1 September 2020 – Due date for Corporation Tax due for the year ended 30 November 2019.
19 September 2020 – PAYE and NIC deductions due for month ended 5 September 2020. (If you pay your tax electronically the due date is 22 September 2020)
19 September 2020 – Filing deadline for the CIS300 monthly return for the month ended 5 September 2020.
19 September 2020 – CIS tax deducted for the month ended 5 September 2020 is payable by today.
1 October 2020 – Due date for Corporation Tax due for the year ended 31 December 2019.
19 October 2020 – PAYE and NIC deductions due for month ended 5 October 2020. (If you pay your tax electronically the due date is 22 October 2020.)
19 October 2020 – Filing deadline for the CIS300 monthly return for the month ended 5 October 2020.
19 October 2020 – CIS tax deducted for the month ended 5 October 2020 is payable by today.
31 October 2020 – Latest date you can file a paper version of your 2020 self-assessment tax return.