UK Rights, Privacy & Data Protection Guide (HMRC)

HMRC Data Protection, Subject Access Requests (SARs), Personal Tax Records, Correcting Information, Identity Verification and Online Tax Accounts

Purpose: This guide provides factual information based on UK 
legislation, official HMRC guidance, the Information Commissioner's Office (ICO), and other recognised public authorities. It explains how HMRC handles personal information, what rights individuals have, how to access tax records, and how to challenge inaccurate 
information.

Important: HMRC must follow UK data protection law, human rights obligations, public law duties and statutory requirements when 
collecting, storing, sharing and using personal information.

Contents

  1. Your Privacy Rights
  2. HMRC Data Protection
  3. Subject Access Requests (SARs)
  4. Personal Tax Records
  5. Correcting Information
  6. Identity Verification
  7. Online Tax Accounts
  8. HMRC Data Sharing
  9. Automated Decision-Making
  10. Complaints About HMRC Data Handling
  11. Information Commissioner's Office (ICO)
  12. Independent Support and Advice

 

1. Your Privacy Rights

What Laws Protect Your Information?

Personal information held by HMRC is protected by:

  • UK General Data Protection Regulation (UK GDPR)
  • Data Protection Act 2018
  • Human Rights Act 1998

Official guidance:

Key Rights

Individuals generally have rights to:

Know What Information Is Held

Request Access to Information

Correct Inaccurate Information

Challenge Unlawful Processing

Make Complaints

Request Explanations About Data Use

Official guidance:

 

2. HMRC Data Protection

What Information Does HMRC Hold?

HMRC may hold information relating to:

  • Tax records
  • National Insurance records
  • PAYE information
  • Self Assessment returns
  • Benefits and tax credits information
  • Employer information
  • Pension records
  • Compliance checks
  • Correspondence

Official guidance:

HMRC Responsibilities

HMRC should:

  • Process information lawfully
  • Keep information secure
  • Use information for authorised purposes
  • Comply with data protection legislation

Official guidance:

 

3. Subject Access Requests (SARs)

What Is a Subject Access Request?

A Subject Access Request (SAR) allows individuals to request information held about them.

This may include:

  • Personal tax records
  • Correspondence
  • Notes held by HMRC
  • Information used in decisions

Official guidance:

What Can Be Requested?

Depending on the circumstances, individuals may request:

Copies of Personal Information

Information About How Data Is Used

Information About Data Sharing

Records Connected to HMRC Decisions

Time Limits

Organisations generally have legal obligations to respond to valid requests within statutory timeframes.

Official guidance:

  • Subject Access Requests (ICO)

 

4. Personal Tax Records

Accessing Tax Records

Many records can be accessed through HMRC services.

Examples include:

  • PAYE information
  • National Insurance records
  • Tax codes
  • Employment history
  • Self Assessment information

Official guidance:

National Insurance Records

Official guidance:

State Pension Records

Official guidance:

 

5. Correcting Information

What If HMRC Information Is Wrong?

Individuals may request corrections where information is inaccurate.

Examples may include:

  • Incorrect income figures
  • Wrong addresses
  • Incorrect National Insurance records
  • Errors in tax records

Official guidance:

If HMRC Disagrees

Depending on the issue, individuals may:

Provide Evidence

Request Review

Use Complaint Procedures

Appeal Certain Decisions

Official guidance:

 

6. Identity Verification

Why Does HMRC Verify Identity?

HMRC may verify identity to:

  • Protect accounts
  • Prevent fraud
  • Protect taxpayer information

Official guidance:

Acceptable Evidence

Requirements may vary depending on the service being used.

Official guidance:

  • Government Identity Verification

Your Rights

Identity checks should be:

  • Lawful
  • Proportionate
  • Relevant to the service provided

 

7. Online Tax Accounts

Personal Tax Account

The Personal Tax Account allows access to information such as:

Income Tax Records

National Insurance Contributions

Tax Codes

State Pension Information

Official guidance:

Business Tax Accounts

Official guidance:

 

8. HMRC Data Sharing

Can HMRC Share Information?

HMRC may share information where permitted by law.

Examples can include sharing with:

  • Other government departments
  • Law enforcement bodies
  • Courts and tribunals
  • Public authorities

Such sharing must generally have a lawful basis.

Official guidance:

Rights Concerning Data Sharing

Individuals may be able to request information about:

  • What information is held
  • How information is used
  • Who information has been shared with

Official guidance:

 

9. Automated Decision-Making

What Is Automated Decision-Making?

Some systems may assist in processing information, identifying risks, or supporting decisions.

Where applicable, individuals may have rights relating to automated processing under data protection legislation.

Official guidance:

 

10. Complaints About HMRC Data Handling

Step 1 – Contact HMRC

Raise concerns directly with HMRC.

Official guidance:

Step 2 – Escalation

If unresolved, additional review options may be available.

Official guidance:

 

11. Information Commissioner's Office (ICO)

What Is the ICO?

Information Commissioner's Office

The ICO is the UK's independent authority for data protection and information rights.

Official website:

 

When Can You Contact the ICO?

Examples include concerns about:

  • Access to information
  • Incorrect personal data
  • Data misuse
  • Data breaches
  • Privacy rights

Official guidance:

 

Human Rights and Fair Treatment

Relevant legislation includes:

  • Human Rights Act 1998

Public authorities, including HMRC, should act:

Lawfully

Fairly

Proportionately

Within Their Legal Powers

Official guidance:

 

Independent Advice and Support

HMRC

Data Protection

Tax Support

Low Incomes Tax Reform Group

TaxAid

Citizens Advice

 

Additional Rights People Often Miss

Right to Access Information

Right to Correct Inaccurate Information

Right to Complain

Right to Appeal Certain Tax Decisions

 

Key Legal Principles

Under UK law, HMRC must process personal information in accordance with the UK GDPR, the Data Protection Act 2018, and other applicable legislation. Individuals generally have rights to know what information is held about them, access that information, request corrections, challenge unlawful processing, make complaints, and seek independent oversight through the Information Commissioner's Office. HMRC must act fairly, lawfully, proportionately and within powers granted by Parliament, while taxpayers have rights to privacy, transparency, review and appeal where provided by law.

 

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