IRS Letters and Forms
CP20

CP20 — Notice of Examination unallowable items with overpayment, response required.

Notice of Examination unallowable items with overpayment, response required.

What to do next

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CP20

Read the notice carefully and note any deadline. Gather returns, notices, and payment records. Book a free strategy session before responding if the amount is large, unclear, or collection language appears.

What the IRS language says

Notice of Examination unallowable items with overpayment, response required.

What it usually means

CP20 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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