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 March 2019

Mike Wakeford

Important tax dates for March.

1 March 2019 - Due date for Corporation Tax due for the year ended 31 May 2018.

2 March 2019 – Self assessment tax for 2017/18 paid after this date will incur a 5% surcharge.

19 March 2019 - PAYE and NIC deductions due for month ended 5 March 2019. (If you pay your tax electronically the due date is 22 March 2019)

19 March 2019 - Filing deadline for the CIS300 monthly return for the month ended 5 March 2019. 

19 March 2019 - CIS tax deducted for the month ended 5 March 2019 is payable by today.