What Is P9 Tax Code Notice?

HM Revenue and Customs in the United Kingdom issued a document called p9 tax notice to employers to inform them of an employee’s tax code for the next tax year. In advance of the New Year, the notice is sent to employers which begins on April 6th of each tax year. The p9 notice gives the necessary information on the employees’ tax code notice.

This information is used to calculate the amount of excluded tax from the pay of employees each year. The breakdown of allowances that HMRC thinks the employee is due is also included in the notice and an explanation of how the code number can be used.

Tax Codes for Different Regions:

  • Scottish taxpayers pay Scottish Income Tax and their tax code has been ‘S’ since April 6th, 2017
  • Welsh tax code prefixed with a ‘C’
  • the Welsh tax rates and thresholds are the same as the rest of the UK for the tax year 2023/24

P9 Tax Code Notice

Updates for 2023:

The p9 tax code notice letter guidance has been updated for the tax year starting April 6th, 2023. It explains the type of tax codes employers must change and also the way to change them for the next tax year. The last update of the document was on 17 February 2023. PDF and ODT formats of the document are available. Employers need to pay close attention to all the necessary details in the document. It is to ensure compliance with the law of taxes.

Key Takeaways from the P9 tax code notice 2023 Guidance

  • basic Personal Allowance remains at £12,570 for the entire UK
  • emergency tax code is 1257L for all employees

The tax code notice letter outlines all the steps needed to get ready for the upcoming tax year which includes payroll records preparation and correct tac codes identification for each individual.

How Does the UK Tax System Work?

The tax system of the UK is a set of complex laws that impose several taxes on different things including annual income, goods and services, transactions, and real property. There are different sections of the UK tax system. 

The tax code notice letter has been updated for the year 2023. Each section covers a specific topic. The sections are excise taxes, employment taxes, and estate and gift taxes. The HMRC uses the tax system which calculates the amount of tax owed by people and businesses.

The purpose of the tax code:

It is to ensure that businesses and individuals pay the correct amount of tax each year. The tax code notice is also used to calculate the amount of owed tax based on individuals’ income and allowances. It is used to calculate the tax amount businesses own based on their expenses and profits.

How is a tax code calculated?

It is calculated based on an individual’s deductions, income, and allowance. The tax code notice takes into account the amount of individual income before the start of paying taxes. The tax code also takes into account any deductions that minimize charitable donations and pension contributions. The HMRC calculates the tax code on the information based on the employer or the individual.

What Is Included in a P9 Tax Code Notice?

The following information should be provided in the tax notice

  • Employee’s tax code: provides the employee’s tax code for the upcoming tax year
  • Allowances: includes a breakdown of the allowances that HMRC thinks the employee is due
  • Explanation of code number: explains how the tax code notice letter number is worked out
  • Contact information: includes contact information for HMRC in case the employer has any questions or concerns

Why Is a P9 Tax Code Notice Important?

The tax code notice is important because it ensures that the right amount of tax is excluded from an employee’s income each year. Employees end up paying too much or too little tax if an employee’s tax code in the tax code notice is incorrect which often results in financial complexities. Moreover, employees may be subject to penalties and fines from HRMC if an employer fails to use the correct tax code.

How Can Employers Ensure They Use the Correct Tax Code?

Employers can ensure they do the correct tax code by doing the following conditions:

Check the P9 tax code notice letter Employers should carefully review the P9 notice to ensure they are using the correct tax code for each employee

    • Update payroll software Employers should update their payroll software to reflect any changes in tax codes
    • Communicate with employees Employers should communicate with employees to ensure they understand their tax code notice and to address any questions or concerns

What Happens If You Use the Wrong Tax Code?

Using the wrong tax code can cause the following complexities:

  • result in underpayment or overpayment of taxes
  • HMRC will first seek the tax from the employer, not the employee

It is important to use the tax code which is provided by the HMRC and only makes changes when you are instructed by HMRC to do so.


A p9 tax code notice letter is an essential document. It is issued by HMRC to employers in the UK. The notice is to inform the employers tax the tax code the next tax year. It is a set of complex laws that include various taxes on goods and services, annual income, and real property.

The tax code is applied to calculate the total amount of tax which is owed by businesses or individuals alike each year. The tax is calculated based on businesses’ and individuals’ income deductions, and allowances. By checking the tax code notice employers can ensure that they use the right tax code by updating their payroll software and communicating with the company’s employees.

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Published On: September 25th, 2023 / Total Views: 309 / Daily Views: 1 /

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