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From 6 January 2024, the main rate of class 1 National Insurance contributions (NIC) deducted from employees’ wages is reduced from 12% to 10%. From 6 April 2024, the main rate of self-employed class 4 NIC will reduce from 9% to 8% and class 2 NIC will no longer be due. Those with profits below £6,725 a year can continue to pay class 2 NIC to keep their entitlement to certain state benefits. Our guidance will be updated in full in spring 2024.

Updated on 6 April 2023

Third party information notice

We outline the rights and safeguards the law gives you when HMRC have given you a formal notice asking you for certain information and documents in order to check someone else’s tax position.

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HMRC’s request must be reasonable

HMRC can only require you to show them something that they reasonably need in order to check the tax position of the other person they have identified in the notice they have given you. However, Finance Act 2021 includes provisions which allow HMRC to ask you for information for the purpose of collecting a tax debt of the person identified. In some circumstances, the tribunal may have agreed to HMRC giving you a notice, and may permit HMRC not to name the taxpayer to whom it relates. If HMRC ask you to produce information and/or documents by a particular time, or at a particular place, that request too must be reasonable.

Copy documents

You may produce a copy of any document HMRC ask you for, unless the notice specifies that you must produce the original, or HMRC make a written request for the original.

What HMRC may not ask you for

The law does not permit HMRC to ask you for:

  • Documents that you do not have in your possession and cannot easily get hold of
  • Anything to do with a pending appeal about tax
  • Personal records (that is, relating to the taxpayer’s physical or mental health, or spiritual or personal welfare)
  • Journalistic material (if you are a professional journalist)
  • A document the whole of which is more than six years old, unless authorised by a senior HMRC official
  • Information or documents relating to a person who has died if more than four years have elapsed since the death
  • Anything that is confidential between the taxpayer and his or her legal adviser

However, HMRC may ask for a document that contains personal information about the taxpayer with the relevant passages blocked out.

Right of appeal

You normally have the right to appeal to the tribunal against an information notice if you think it would be unduly onerous to comply with it. Or you can appeal on the same grounds against anything the notice requires you to do.

You can also ask for an independent internal review. If you appeal, you must do so in writing within 30 days of the date you are given this notice.

You must give your form or letter (the ‘notice of appeal’) to the officer who gave you the notice. In some circumstances you are permitted to make a late appeal.

No right of appeal

You do not have a right of appeal if:

  • You are being asked to produce statutory records (unfortunately the law does not say what ‘statutory records’ are, but HMRC have provided some further information on GOV.UK).
  • The notice says that it has already been approved by the tribunal (see below)

But if the tribunal has approved the notice, you have the right to check that:

  • The application to the tribunal was made by an authorised HMRC officer
  • You have been given a reasonable opportunity to make representations
  • The tribunal has been given a summary of your representations
  • The tribunal is satisfied that giving the notice is justified

More information

HMRC’s compliance factsheets CC/FS2: Compliance checks – information notices and CC/FS23: Compliance checks – third party information noticesset out their guidance.

There is general information about your rights and responsibilities in the HMRC Charter.

HMRC’s factsheet HMRC1: HM Revenue & Customs decisions – what to do if you disagree sets out their guidance on making an appeal against an HMRC decision.

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