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What is a Tax Office Reference Number and Where to Find It


Tax Office Reference Number

Tax office reference numbers are crucial for managing your tax obligations as an employer in the UK. However, many business owners and employees might not be fully aware of what a tax office reference number is or where to find it. At Ultra Tax Ltd, we aim to simplify tax-related matters for our clients. In this blog post, we will cover everything you need to know about tax office reference numbers, including:


  • What a tax office reference number is

  • Where to find it

  • The difference between a tax office reference number and other tax identifiers like PAYE, NIC, and UTR

  • Managing multiple tax office reference numbers if you have more than one job


Let's dive in and demystify the concept of tax office reference numbers to help you stay compliant and informed.


What is a Tax Office Reference Number?

A tax office reference number, also known as an "employer PAYE reference" or simply "PAYE reference," is a unique number assigned by HM Revenue and Customs (HMRC) to identify employers. This number is essential when dealing with HMRC, whether you're communicating via phone, letter, or email. It's crucial to keep your tax office reference number safe and accessible, as it's used to ensure that employers are paying the correct amount of tax and National Insurance contributions (NICs) for their employees.


Where to Find Your Tax Office Reference Number

Depending on whether you're an employee or self-employed, there are different places where you can find your tax office reference number:


For Employees:

  1. Payslips: Your tax office reference number can be found on your payslip. Be careful not to confuse it with your tax code.

  2. P45 Form: This form, given when you leave a job, also contains your tax office reference number.

  3. P60 Form: Your annual P60 form, which summarizes your pay and deductions for the year, includes your tax office reference number.


For Self-Employed Individuals:

  1. HMRC Correspondence: Look for letters or forms from HMRC that begin with "PAYE reference" or "Employer PAYE Reference".


Tax Office Reference Number vs.

National Insurance Number

It's essential to understand that your tax office reference number is different from your National Insurance Number (NINO). While your NINO is used to identify your National Insurance contributions and access state benefits, your tax office reference number identifies you as an employer. Always double-check which number is being requested when providing personal information.


Tax Office Reference Number vs. UTR (Unique Taxpayer Reference)

Another common confusion is between the tax office reference number and the Unique Taxpayer Reference (UTR). A UTR is a 10-digit number given to individual taxpayers by HMRC, while the tax office reference number is assigned to employers. These two numbers serve different purposes and should not be confused. The format also differs: UTR is purely numerical (e.g., 1234567891), whereas a tax office reference number combines letters and numbers (e.g., XYZ/AB12345).


Multiple Tax Office Reference Numbers for Multiple Jobs

If you have more than one job, each employer will have a different tax office reference number. This ensures that each job is taxed separately, allowing you to pay the correct amount of tax and NICs. Keeping track of all your tax office reference numbers is essential if you have multiple sources of income.


Why Keeping Track of Your Tax Office Reference Number is Important

Your tax office reference number is a vital identifier for managing your tax responsibilities. It helps HMRC ensure that you're paying the correct amount of tax and NICs. Failing to keep track of this number can lead to confusion and potential issues with HMRC.


Key Takeaways

  • Tax Office Reference Number: A unique identifier for employers in the UK, used by HMRC to manage tax and NICs.

  • Finding Your Number: Employees can find it on payslips, P45s, and P60s; self-employed individuals can find it on HMRC correspondence.

  • Difference from NINO and UTR: Understand the distinctions to avoid confusion.

  • Multiple Jobs: Each job will have a different tax office reference number.

  • Importance: Essential for managing tax obligations and ensuring correct tax payments.


Ultra Tax Ltd: Here to Help

At Ultra Tax Ltd, we specialise in helping businesses and individuals manage their tax responsibilities effectively. Whether you need assistance finding your tax office reference number or have questions about tax compliance, our team of experts is here to support you. Contact us today to learn more about how we can help you navigate the complexities of the UK tax system.


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