Skip to content

Tax Diary May/June 2018

1 May 2018 – Due date for corporation tax due for the year ended 30 July 2017.19 May 2018 – PAYE and NIC deductions due for month ended 5 May 2018. (If you pay your tax electronically the due date is 22 May 2018)19 May 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 May 2018.19 May 2018 – CIS tax deducted for the month ended 5 May 2018 is payable by today.31 May 2018 – Ensure all employees have been given their P60s for the 2017-18 tax year.1 June 2018 – Due date for corporation tax due for the year ended 31 August 2017.19 June 2018 – PAYE and NIC deductions due for month ended 5 June 2018. (If you pay your tax electronically the due date is 22 June 2018)19 June 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 June 2018.19 June 2018 – CIS tax deducted for the month ended 5 June 2018 is payable by today.