Tax Calendar

The red text indicates an entry relevant to companies and employers, black refers to personal tax, and bold indicates an important item. Click on a date to find out more detail of how it may affect you.

March 2020
Sunday 1 Advisory Fuel Rates
Monday 2 5% late payment penalty on any 2018/19 outstanding tax which was due on 31st January 2020 and still remains unpaid
Thursday 19 PAYE, Student loan and CIS deductions are due for the month to 5th March 2020
Tuesday 31 Last minute planning for tax year 2019/20
April 2020
Sunday 19 Automatic interest is charged where PAYE tax, Student loan deductions, Class 1 NI or CIS deductions for 2019/20 are not paid by today. Penalties may also apply if any payments have been made late throughout the tax year.
Sunday 19 PAYE quarterly payments are due for small employers for the pay periods 6th January 2020 to 5th April 2020
Sunday 19 PAYE, Student loan and CIS deductions are due for the month to 5th April 2020
Sunday 19 Deadline for employers' final PAYE return to be submitted online for 2019/20
May 2020
Sunday 3 Deadline for submitting P46(car) for employees whose car/fuel benefits changed during the quarter to 5 April 2020
Tuesday 19 PAYE, Student loan and CIS deductions are due for the month to 5th May 2020
Sunday 31 Deadline for forms P60 for 2019/20 to be issued to employees
June 2020
Monday 1 Advisory Fuel Rates
Friday 19 PAYE, Student loan and CIS deductions are due for the month to 5th June 2020
July 2020
Sunday 5 Deadline for reaching a PAYE Settlement Agreement for 2019/20
Monday 6 Deadline for forms P11D and P11D(b) for 2019/20 to be submitted to HMRC and copies to be issued to employees concerned
Monday 6 Deadline for employers to report share incentives for 2019/20
Sunday 19 Class 1A NIC due for 2019/20
Sunday 19 PAYE Student loan and CIS deductions due for the month to 5th July 2020
Sunday 19 PAYE quarterly payments are due for small employers for the pay periods 6th April 2020 to 5th July 2020
Friday 31 Second payment on account 2019/20 due
August 2020
Sunday 2 Deadline for submitting P46 (car) for employees whose car/fuel benefits changed during the quarter to 5th July 2020
Wednesday 19 PAYE, Student loan and CIS deductions are due for the month to 5th August 2020
September 2020
Tuesday 1 Advisory Fuel Rates
Saturday 19 PAYE, Student loan and CIS deductions are due for month to 5th September 2020
October 2020
Monday 5 Deadline for notifying HMRC of new sources of taxable income or gains or liability to the High Income Child Benefit Charge for 2019/20 if no tax return has been issued
Monday 19 Tax and NI due under a 2019/20 PAYE Settlement Agreement
Monday 19 PAYE, Student loan and CIS deductions are due for the month to 5th October 2020
Monday 19 PAYE quarterly payments are due for small employers for the pay periods 6th July 2020 to 5th October 2020
Saturday 31 Deadline for submitting 'paper' 2019/20 self assessment returns
Saturday 31 Deadline for submission of 2019/20 self assessment returns if you require HMRC to compute your tax liability and/or if tax underpaid is to be collected by adjustment to your 2021/22 PAYE code
November 2020
Monday 2 Deadline for submitting P46(car) for employees whose car/fuel benefits changed during the quarter to 5th October 2020
Thursday 19 PAYE, Student loan and CIS deductions are due for the month to 5th November 2020
December 2020
Tuesday 1 Advisory Fuel Rates
Saturday 19 PAYE, Student loan and CIS deductions are due for the month to 5th December 2020
Wednesday 30 Online filing deadline for submitting 2019/20 self assessment return if you require HMRC to collect any underpaid tax by making an adjustment to your 2021/22 tax code
January 2021
Tuesday 19 PAYE, Student loan and CIS deductions are due for the month to 5th January 2021
Tuesday 19 PAYE quarterly payments are due for small employers for the pay periods 6th October 2020 to 5th January 2021
Sunday 31 Deadline for submitting your 2019/20 self assessment return (100 automatic penalty if your return is late) and the balance of your 2019/20 liability together with the first payment on account for 2020/21 are also due
February 2021
Tuesday 2 Deadline for submitting P46(car) for employees whose car/fuel benefits changed during the quarter to 5th January 2021
Friday 19 PAYE, Student loan and CIS deductions are due for the month to 5th February 2021
March 2021
Monday 1 Advisory Fuel Rates
Wednesday 3 5% late payment penalty on any 2019/20 outstanding tax which was due on 31st January 2021 and still remains unpaid
Friday 19 PAYE, Student loan and CIS deductions are due for the month to 5th March 2021
Wednesday 31 Last minute planning for tax year 2020/21