IRS Notice CP12A – Changes to Your Form 1040
The IRS sends CP12A to notify you that your return had a math error in the earned income tax credit calculation resulting in a refund or a larger refund amount.
Type of Notice: Return accuracy
Most common tax problem area: IRS return and account problems
Why you received IRS Notice CP12A
- You filed a tax return claiming the Earned Income Tax Credit.
- When processing your return, the IRS discovered a miscalculation.
- The IRS corrected the error and made an adjustment to your return.
- CP12A was sent to notify you that the adjustment resulted in a refund or an increase in your refund. The IRS will issue the refund in four to six weeks.
Your options to address IRS Notice CP12A
No response required
Notice deadline: 60 days
If you miss the deadline: If you do not dispute the changes on a CP12A within 60 days, the IRS will not reverse the adjustment and you will lose your right to appeal the IRS decision.
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