Inheritance Tax: corrective account
Correct the amount of Inheritance Tax, Capital Transfer Tax or Estate Duty paid on your Inheritance Tax account using form C4.
Documents
Details
Fill in and send this form to HMRC if you’ve paid too much or too little on your Inheritance Tax account IHT400.
Use form C4(S), if you need an additional Grant of Confirmation for assets in Scotland, because their description has changed or they were not originally included.
How to complete the form
You need to:
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Download and save the form on your computer.
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Open it using the latest free version of Adobe Reader.
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Complete it on-screen.
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Print and post the completed form to HMRC.
Email HMRC to ask for this form in Welsh (Cymraeg).
If the form does not open, contact the online services helpdesk for more help.
Updates to this page
Last updated 5 August 2024 + show all updates
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The corrective account continuation — print and post form C4(C) has been updated to improve the fillable fields on the form.
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The Corrective Account — print and post form C4 has been updated.
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The C4 form has been updated and a link to the address to post the form to has been added.
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First published.