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 an item to find out more detail of how it may affect you.

If you would like to receive email reminders before these key tax dates from our taxREMINDER system, then click here to register on our website. If you have already registered and would like to change your taxREMINDER options then click to log on.

November 2023

PAYE, Student loan and CIS deductions are due for the month to 5th November 2023 Sunday 19

Is this relevant to you?

This deadline is relevant to employers who have made PAYE deductions from their employees’ salaries and to contractors who have paid subcontractors under the CIS.

Employers are required to make payment to HMRC of the income tax, national insurance and student loan deductions. Contractors are required to make payment to HMRC of the tax deductions made from subcontractors under the CIS.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd November 2023. Interest will be charged if payment is made late. Penalties also apply.

December 2023

Advisory Fuel RatesFriday 1

New Advisory Fuel Rates (AFR) for company car users apply from today. The rates can be found here.

PAYE, Student loan and CIS deductions are due for the month to 5th December 2023 Tuesday 19

Is this relevant to you?

This deadline is relevant to employers who have made PAYE deductions from their employees’ salaries and to contractors who have paid subcontractors under the CIS.

Employers are required to make payment to HMRC of the income tax, national insurance and student loan deductions. Contractors are required to make payment to HMRC of the tax deductions made from subcontractors under the CIS.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd December 2023. Interest will be charged if payment is made late. Penalties also apply.

Online filing deadline for submitting 2022/23 self assessment return if you require HMRC to collect any underpaid tax by making an adjustment to your 2024/25 tax code Saturday 30

Is this relevant to you?

This deadline is relevant for those individuals who complete a self assessment tax return online and who are employees. Where you have an underpayment you may request that HMRC collect the tax outstanding by making an adjustment to your tax code for the year 2024/25.

January 2024

PAYE, Student loan and CIS deductions are due for the month to 5th January 2024 Friday 19

Is this relevant to you?

This deadline is relevant to employers who have made PAYE deductions from their employees’ salaries and to contractors who have paid subcontractors under the CIS.

Employers are required to make payment to HMRC of the income tax, national insurance and student loan deductions. Contractors are required to make payment to HMRC of the tax deductions made from subcontractors under the CIS.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd January 2024. Interest will be charged if payment is made late. Penalties also apply.

PAYE quarterly payments are due for small employers for the pay periods 6th October 2023 to 5th January 2024 Friday 19

Is this relevant to you?

This deadline is relevant to small employers and contractors only. As a small employer with income tax, national insurance and student loan deductions of less than £1,500 a month you are required to make payment to HMRC of the income tax, national insurance and student loan deductions on a quarterly basis.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd January 2024. Interest will be charged if payment is made late. Penalties also apply.

Deadline for submitting your 2022/23 self assessment return (£100 automatic penalty if your return is late) and the balance of your 2022/23 liability together with the first payment on account for 2023/24 are also due Wednesday 31

If we have already dealt with your self assessment return on your behalf you need take no action.

Is this relevant to you?

This deadline is relevant to individuals who need to complete a self assessment tax return and make direct payments to HMRC in respect of their income tax, Classes 2 and 4 NI, capital gains tax and High Income Child Benefit Charge liabilities.

There is a penalty of £100 if your return is not submitted on time, even if there is no tax due or your return shows that you are due a tax refund.

The balance of any outstanding income tax, Classes 2 and 4 NI, capital gains tax and High Income Child Benefit Charge for the year ended 5th April 2023 is due for payment by 31st January 2024. Where the payment is made late interest will be charged.

The first payment on account for 2022/23 in respect of income tax and any Class 4 NI or High Income Child Benefit Charge is also due for payment by 31st January 2024.

February 2024

Deadline for submitting P46(car) for employees whose car/fuel benefits changed during the quarter to 5th January 2024 Friday 2

Is this relevant to you?

This deadline is relevant to employers who provide any employees with the use of a car. The form P46 (car) only needs to be completed where a car is first provided or an additional car is provided, or an employee ceases to have the use of a car without replacement. The completion of the form enables HMRC to amend the individual’s coding notice to reflect the change in benefit. This notification may be made by completing and printing off the relevant by paper or online forms. Where one car is merely replaced with another, this may be notified online. A change in car for car benefits which are being ‘payrolled’ should not be reported on a P46(car).

PAYE, Student loan and CIS deductions are due for the month to 5th February 2024 Monday 19

Is this relevant to you?

This deadline is relevant to employers who have made PAYE deductions from their employees’ salaries and to contractors who have paid subcontractors under the CIS.

Employers are required to make payment to HMRC of the income tax, national insurance and student loan deductions. Contractors are required to make payment to HMRC of the tax deductions made from subcontractors under the CIS.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd February 2024. Interest will be charged if payment is made late. Penalties also apply.

March 2024

Advisory Fuel Rates Friday 1

New Advisory Fuel Rates (AFR) for company car users apply from today. The rates can be found here.

5% late payment penalty on any 2022/23 outstanding tax which was due on 31st January 2024 and still remains unpaid Sunday 3

Is this relevant to you?

This deadline is relevant to individuals who need to complete a self assessment tax return and make direct payments to HMRC in respect of their income tax, Classes 2 and 4 NI, capital gains tax or High Income Child Benefit Charge liabilities.

The balance of any outstanding income tax, Classes 2 and 4 National Insurance, capital gains tax and High Income Child Benefit Charge for the year ended 5th April 2023 was due for payment by 31st January 2024. Where the payment is made late interest will be charged. On 3 March 2024 a late payment penalty of 5% will be added to the outstanding liability.

If we have already dealt with this matter on your behalf you need take no action.

PAYE, Student loan and CIS deductions are due for the month to 5th March 2024 Tuesday 19

Is this relevant to you?

This deadline is relevant to employers who have made PAYE deductions from their employees’ salaries and to contractors who have paid subcontractors under the CIS.

Employers are required to make payment to HMRC of the income tax, national insurance and student loan deductions. Contractors are required to make payment to HMRC of the tax deductions made from subcontractors under the CIS.

Where the payment is made electronically the deadline for receipt of cleared payment is 22nd March 2024. Interest will be charged if payment is made late. Penalties also apply.

Last minute planning for tax year 2023/24 Sunday 31

Is this relevant to you?

The final deadline of 5th April 2024 is relevant to individuals who have not considered year-end tax planning issues. These issues include:

  • utilising your annual capital gains tax exemption
  • utilising your annual inheritance tax exemption for gifts
  • utilising your annual Individual Savings Account investment limit (ISA)
  • making additional pension contributions for 2023/24.

Please get in touch if you would like any further advice on these or any other issues.

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