Tax Diary

1 June 2019 – Due date for Corporation Tax due for the year ended 31 August 2018.

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

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

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

1 July 2019 – Due date for Corporation Tax due for the year ended 30 September 2018.

6 July 2019 – Complete and submit forms P11D return of benefits and expenses and P11D(b) return of Class 1A NICs.

19 July 2019 – Pay Class 1A NICs (by the 22 July 2019 if paid electronically).

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

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

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

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.

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.

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 February 2019 – Due date for Corporation Tax payable for the year ended 30 April 2018.

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

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

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

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.

1 December 2018 – Due date for Corporation Tax due for the year ended 29 February 2018.

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

19 December 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2018.

19 December 2018 – CIS tax deducted for the month ended 5 December 2018 is payable by today.

30 December 2018 – Deadline for filing 2017-18 self-assessment tax returns online to include a claim for under payments to be collected via tax code in 2019-20.

1 January 2019 – Due date for Corporation Tax due for the year ended 31 March 2018.

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

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

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

31 January 2019 – Last day to file 2017-18 self-assessment tax returns online.

1 November 2018 – Due date for Corporation Tax due for the year ended 31 January 2018.

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

19 November 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 November 2018.

19 November 2018 – CIS tax deducted for the month ended 5 November 2018 is payable by today.

1 December 2018 – Due date for Corporation Tax due for the year ended 29 February 2018.

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

19 December 2018 – Filing deadline for the CIS300 monthly return for the month ended 5 December 2018.

19 December 2018 – CIS tax deducted for the month ended 5 December 2018 is payable by today.

30 December 2018 – Deadline for filing 2017-18 self assessment tax returns online to include a claim for under payments to be collected via tax code in 2019-20.