This site uses cookies to improve your browsing experience and analyse use of our website. By clicking ‘I accept’ you agree and consent to our use of cookies. You can find out more about our cookies here. Find out more

Tax Diary September/October 2020

Mike Wakeford

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.