IRS Letters and Forms
CP861

CP861 — No Math Error—First Notice of Balance Due—Forms 940PR, 941PR, 942PR, 943PR (BMF/Spanish)

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

What to do next

Start with these steps before you reply.

CP861

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

No Math Error—First Notice of Balance Due—Forms 940PR, 941PR, 942PR, 943PR (BMF/Spanish)

What it usually means

CP861 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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