Form

Tax credits and Child Benefit: allow someone else to act for you (TC689)

Use form TC689 to authorise someone else (an 'intermediary') to act on your behalf for your tax credits or Child Benefit. Intermediaries – use the PDF version of form TC689 if you require a printed version to complete with your client, for example during a home visit.

Documents

Tax credits and Child Benefit: allow someone else to act for you (TC689)

TC689: Tax credits and Child Benefit Authority for and intermediary to act on your behalf

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Details

Use form TC689 if you want an intermediary, such as Citizens Advice, to act on your behalf for your tax credits or Child Benefit.

Don’t use form TC689 to authorise a paid agent such as an accountant or other professional adviser to act on your behalf. You should use form 64-8 instead.

Before you start

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You’ll need to fill in the form fully before you can print it. You can’t save a partly completed form so we suggest you gather all your information together before you begin to fill it in.

Claiming and dealing with tax credits for someone else
Guidance on how to deal with the Tax Credit Office for someone else.

Form 64-8
Use form 64-8 to authorise HM Revenue and Customs to communicate with an accountant, tax agent or adviser acting on your behalf.

Published 12 June 2014
Last updated 22 March 2017 + show all updates
  1. A pdf version of form TC689 has been added to the page for intermediaries to use if a printed version is needed to complete with clients, for example during a home visit.
  2. Welsh translation added.
  3. First published.