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Tax Diary April/May 2018
23 Mar 2018
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Tax Diary April/May 2018

Please find below the most important tax dates for March and April 2018.

1 April 2018 - Due date for corporation tax due for the year ended 30 June 2017.

19 April 2018 - PAYE and NIC deductions due for month ended 5 April 2018. (If you pay your tax electronically the due date is 22 April 2018)

19 April 2018 - Filing deadline for the CIS300 monthly return for the month ended 5 April 2018.

19 April 2018 - CIS tax deducted for the month ended 5 April 2018 is payable by today.

30 April 2018 – 2016-17 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 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.