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.

December 2018

New Advisory Fuel Rates (AFR) for company car users apply from today. The rates can be found by visiting https://www.gov.uk/government/publications/advisory-fuel-rates

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 Friday 21st December 2018 unless you are able to arrange a 'Faster Payment' to clear on or by Saturday 22nd December. In year interest will be charged if payment is made late. Penalties also apply.

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 2019/20.

If we are already dealing with this matter on your behalf you need take no action.

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Harris+Co is a trading name of Harris & Co Limited, which is a limited company registered in England & Wales: No. 8935187, Registered Office: Marland House, 13 Huddersfield Road, Barnsley, South Yorkshire S70 2LW. The term partner indicates a principal of Harris & Co Limited who is not in partnership for the purpose of the Partnership Act 1890. A full list of principals’ names is available at the Registered Office. Registered to carry on audit work in the UK and Ireland and regulated for a range of investment business activities by the Institute of Chartered Accountants in England and Wales. Details about our audit registration can be viewed at www.auditregister.org.uk for the UK and www.cro.ie/auditors for Ireland, under reference C003785105.