IRS Letters and Forms
CP113

CP113 — Math Error on Form CT-1 resulting in a net overpayment.

Math Error on Form CT-1 resulting in a net overpayment.

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CP113

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What the IRS language says

Math Error on Form CT-1 resulting in a net overpayment.

What it usually means

CP113 is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.

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