Use form TC846 if the Tax Credit Office has paid you too much tax credits and you think you shouldn't have to pay it back.
If you have received too much tax credits and think you shouldn’t have to pay it back, use form TC846 to let the Tax Credit Office know.
You must be able to show that the Tax Credit Office made a mistake, or gave you incorrect advice, and it was reasonable for you to think your payments were right.
Before you start
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Related forms and guidance
Tax credits overpayments
How overpayments of tax credits can happen, repaying overpayments and disputes.