IRS Letters and Forms
CP21E

CP21E — Notice of Examination adjustments, resulting in a change to an account in TDA/BAL DUE status.

What this IRS notice code means, and what to check before you reply.

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CP21E

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 adjustments, resulting in a change to an account in TDA/BAL DUE status.

What it usually means

CP21E 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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