64 8 2026

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The document outlines the process for authorizing an agent to act on behalf of an individual, partnership, or trust in dealings with HM Revenue & Customs (HMRC). It includes instructions for completing the authority form, specifies the types of tax matters covered, and explains how information will be shared between HMRC and the authorized agent. The document also details the responsibilities of both the taxpayer and the agent regarding communication and information disclosure.

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Click ‘Get Form’ to open it in the editor.
Begin by selecting the appropriate box for your status: Individual, Partnership, or Trust. Ensure you delete any options that do not apply.
Enter your National Insurance number if applicable, and provide your Unique Taxpayer Reference (UTR) if you have one. If you are self-employed, tick the corresponding box.
Fill in your name and the name of your business or trust. If a UTR has not been issued yet, indicate this by ticking the relevant box.
Authorize HMRC to disclose information to your agent by providing their business name and ensuring all details are correct before signing.
Complete any additional sections required for Tax Credits or Corporation Tax, including necessary identification numbers and contact details for both yourself and your agent.

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