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PAYE Coding Notice and How to check it?

Updated: Mar 6, 2023

As a UK business owner, it's critical to stay on top of your tax obligations, including the PAYE (Pay As You Earn) system. The PAYE Notice of Coding is a vital document that HMRC sends to employers to inform them of the amount of tax they should deduct from their employees' pay.

In this blog post, we'll define the PAYE Notice of Coding, explain why it's important, and show you how to check it.

What is a PAYE Coding Notice?

  • Each year, HMRC sends a PAYE Notice of Coding to employers, usually in April or May.

  • It specifies the tax code to be used in calculating the amount of tax deducted from an employee's pay.

  • The tax code is based on the employee's earnings and tax allowances, and

  • The tax code can be adjusted if their circumstances change, such as a new job or a change in the tax code.

What is the HMRC tax code stand for?

If you take the last number off of your tax-free amount, you get your tax code. For instance, if your tax-free amount is £12,570, your code will be 1257. The last letter will then be added.

The letters represent:

L - you receive the basic personal allowance.

N - you gave your spouse or civil partner some of your own allowances.

S - you pay tax in Scotland.

BR - pension or second employment basic rate tax.

D0 - income from this employment is taxed at a higher rate.

NT - no tax deducted.

X - won't have any allowances or reductions taken into account.

Sometimes tax codes of some people changes during the tax year. They may have changed employment or received more benefits. It could also be because the prior code was erroneous.

What is the significance of the PAYE Notice of Coding?

  • The PAYE system is used by the majority of UK employees to pay their income tax and National Insurance contributions.

  • Employers must deduct the correct amount of tax and NI from their employees' pay based on the information in the PAYE Notice of Coding.

  • If the incorrect tax code is used, the employee may end up paying too much or too little tax, resulting in an unexpected bill or refund at the end of the fiscal year.

How to Check Your PAYE Coding Notice

To view your PAYE Notice of Coding, log into your HMRC online account. If you don't already have an account, you can set one up by following the instructions on the HMRC website. Once you've logged in, proceed as follows:

-> Navigate to your account's 'PAYE' section.

-> Select 'View your tax code'.

-> Check the tax code displayed against your employment information to ensure it is


-> If the tax code is incorrect, you must contact HMRC to have it corrected. You can do

this over the phone or online at the HMRC website.


In conclusion, reviewing your PAYE Notice of Coding is an important part of managing your tax obligations as a UK business owner. You can avoid any unexpected bills or refunds at the end of the tax year by following the steps outlined in this blog post.


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