Twitter Message Double chevron left Chevron right Double chevron right Double chevron up Double chevron down Arrow right Menu Call Plus Minus Search Facebook Twitter LinkedIn LinkedIn-square Download Pin User Telephone Mail

Key Tax Dates - October 2017 - March 2018

October 2017

1 - Due date for payment of Corporation Tax for period ended 31 December 2016

5 - Deadline for notifying HMRC of new sources of taxable income or gains or liability to the High Income Child Benefit Charge for 2016/17 if no tax return has been issued

14 - Due date for income tax for the CT61 quarter to 30 September 2017

19 - Tax and NICs due under a 2016/17 PAYE Settlement Agreement PAYE, Student loan and CIS deductions are due for the month to 5 October 2017

31 - Deadline for HMRC to receive your 2016/17 paper self assessment tax return (SATR)
Deadline for 2016/17 paper SATR if you expect tax to be collected by adjustment to your 2018/19 PAYE code and/or you require a paper bill in time to make payment by the due date

November 2017

2 - Deadline for submitting P46 (car) for employees whose car/fuel benefits changed during the quarter to 5 October 2017

19 - PAYE, student loan and CIS deductions are due for the month to 5 November 2017

December 2017

1 - New Advisory Fuel Rates (AFR) for company car users apply from today

19 - PAYE, student loan and CIS deductions are due for the month to 5 December 2017

30 - Online filing deadline for submitting 2016/17 self assessment return if you require HMRC to collect any underpaid tax by making an adjustment to your 2018/19 tax code

31 - End of CT61 quarterly period
Filing date for Company Tax Return Form CT600 for period ended 31 December 2016

January 2018

1 - Due date for payment of corporation tax for period ended 31 March 2017

14 - Due date for income tax for the CT61 quarter to 31 December 2017

19 - PAYE, Student loan and CIS deductions are due for the month 5 January 2018
PAYE quarterly payments are due for small employers for the pay periods 6 October 2017 to 5 January 2018

31 - Deadline for submitting your 2016/17 online SATR (£100 automatic penalty if your return is late)
Due date for HMRC to receive cleared funds for 2016/17 capital gains tax, class 2 NICs and balance of income tax and Class 4 NICs, and first payment on account for 2017/18

February 2018

2 - Deadline for submitting P46(car) for employees whose car/fuel benefits changed during the quarter to 5 January 2018

19 - PAYE, Student loan and CIS deductions are due for the month to 5 February 2018

March 2018

1 - New Advisory Fuel Rates (AFR) for company car users apply from today

3 - 5% late penalty payment on any 2016/17 outstanding tax which was due on 31 January 2018 and still remains unpaid

19 - PAYE, student loan and CIS deductions are due for the month to 5 March 2018

31 End of Corporation tax financial year
End of CT61 quarterly period
Filing date for company Tax Return Form CT600 for period ended 31 March 2017

Last minute planning for tax year 2017/18 - please contact your usual Mitchell Charlesworth representative for advice.