Tax Diary March/April 2019

1 April 2019 – Due date for Corporation Tax due for the year ended 30 June 2018.


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


19 April 2019 – Filing deadline for the CIS300 monthly return for the month ended 5 April 2019. 


19 April 2019 – CIS tax deducted for the month ended 5 April 2019 is payable by today.


30 April 2019 – 2017-18 tax returns filed after this date will be subject to an additional £10 per day late filing penalty.


1 May 2018 – Due date for Corporation Tax due for the year ended 30 July 2017.


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


19 May 2019 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2019. 


19 May 2019 – CIS tax deducted for the month ended 5 May 2019 is payable by today.


31 May 2019 – Ensure all employees have been given their P60s for the 2018-19 tax year.

Useful information for Tax Diary March/April 2019