HM Revenue & Customs

TC689 - Tax credits and Child Benefit urgent authorisation for an intermediary to act on your client's behalf

*indicates required information

Completing this form

Only complete this form if all the following apply:

  • You need authorisation urgently.
  • You are a registered intermediary organisation.
  • You have an Office Identification Number, given to you by HM Revenue & Customs (HMRC).
  • The customer has asked you to act on their behalf for their tax credits and/or Child Benefit claim.
  • The customer has agreed that HMRC may give information to you/your organisation.
  • You hold a form TC689 signed by the customer and also their partner for a joint tax credits claim.

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Customer details

dd/mm/yyyy

If the customer has no UK National Insurance number, please enter 'NONE' in the field below.

 Help for National Insurance number:

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Partner details (joint tax credits claims)

dd/mm/yyyy

If the customer's partner has no UK National Insurance number, please enter 'NONE' in the field below.

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Intermediary details

 Help for Office Identification Number:

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Tax credits/Child Benefit authority

You must complete one or both checkboxes below to show which claim or claims your authority applies to.

dd/mm/yyyy

The authority will last for 12 months from the date of signature unless you give a different date in writing.

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Intermediary declaration

I declare that:

  • I hold a form TC689 signed by the customer and also their partner for a joint tax credits claim
  • I agree to retain the form TC689 for seven years from the date I submit this form and understand that I may be asked to provide it at any time

Please tick the checkbox below to confirm your agreement.

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After you click the 'Next' button you will see a preview page summarising the information you have provided. If this page is not displayed, please use the scroll bar to locate any missing or incorrect entries highlighted in red.