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HMRC to Introduce Multi-Factor Authentication for Agent Sign-In Starting April 2026

  • HMRC will introduce Multi-Factor Authentication (MFA) for tax agents starting April 7, 2026.
  • Agents will initially see a notification after signing in, advising that MFA will soon be required.
  • Once MFA is enabled, agents must enter an access code during sign-in; the notification will then disappear.
  • The sign-in process will align with the MFA process already used by individuals and organizations.
  • No changes will be made to authentication for Transaction Engine API, SOAP-based APIs, or the 18-month authorisation process.

Source: fintua.com

Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.



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