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All the key tax dates for your diary

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 September 2018.

30        End of CT61 quarterly period.

October 2018

1          Due date for payment of Corporation Tax for period ended 31 December 2017.

5          Deadline for notifying HMRC of new sources of taxable income or gains or liability to the High Income Child Benefit Charge for 2017/18 if no tax return has been issued.

14        Due date for income tax for the CT61 quarter to 30 September 2018.

19        Tax and NICs due under a 2017/18 PAYE Settlement Agreement.

PAYE, Student loan and CIS deductions are due for the month to 5 October 2018.

PAYE quarterly payments are due for small employers for the pay periods 6 July 2018 to 5 October 2018.

31        Deadline for submitting ‘paper’ 2017/18 self assessment returns.

November 2018

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

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