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Court upholds deficiency after IRS computer error inflates Additional Child Tax Credit

Juliet R. El v. Commissioner, T.C. Memo. No. 15597-23, Court Opinion.

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Tax Coda
Feb 25, 2026
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When an IRS processing error increases a refundable credit and generates a larger refund, the excess is a rebate refund that can be recovered through deficiency procedures.

Holding

The erroneous $15,764 refund resulting from the IRS’s incorrect computation of the Additional Child Tax Credit was a rebate refund under § 6211(b)(2), creating a deficiency that the IRS could assess through deficiency procedures.

Why It Matters

  • Refundable credit errors can create deficiencies. Even when a taxpayer’s reported tax liability is zero, disallowance of refundable credits can generate a statutory deficiency.

  • Computer errors do not automatically create “non-rebate” refunds. The focus is on whether the IRS recalculated the tax imposed, not whether the mistake was clerical.

  • IRS may use deficiency procedures. If the refund qualifies as a rebate, the Service may proceed under § 6212 rather than file a refund suit under § 7405.

  • Negative tax concepts matter. Under § 6211(b)(4), refundable credits are treated as…

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