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Claritax News

Tax adviser registration and agent online security – HMRC update guidance

14 May 2026

HMRC have updated the following guidance:

  • Check if and when you need to register as a tax adviser with HMRC – “Check if and when you need to register for an agent services account to interact with HMRC on behalf of your clients as a tax adviser.” – A tool to check if you need to register as a tax adviser has been added to the “Who needs to register” section.
  • Keep your HMRC online security information safe as an agent – “Find out how to protect your sign in details and reduce the risk of fraud when using HMRC online services.” – “Reduce the risk of fraud” has been updated with more recommendations and guidance on creating strong passwords. A new section “Dealing with fraud” has been added.

Related content from Claritax Books

In Taxpayer Safeguards – Rights and Protections for Individuals, written by the late Robin Williamson and now updated by Keith Gordon, the authors explore the whole spectrum of protections available to individual taxpayers.

Taxpayer Safeguards

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Recent Posts

  • Compliance checks: prohibition of promotion of certain tax avoidance schemes – HMRC publish factsheet CC/FS91
  • R&D tax credits – HMRC publish official statistics
  • HMRC put agent reference number checks on hold until 17 November
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  • Check if you have to pay tax on your pension – new HMRC guidance

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