IRS Letters and Forms
Notice code 628

Notice code 628 (Default) — We changed the amount claimed as Child Tax Credit and/or Additional Child Tax Credit on page 2 of yo…

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

What to do next

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628

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

We changed the amount claimed as Child Tax Credit and/or Additional Child Tax Credit on page 2 of your tax return because there was an error on Schedule/Form 8812, Child Tax Credit. The error was in the:  computation of the credit on Schedule/Form 8812  transfer of the amount to page 2 of your tax return and/or  Schedule/Form 8812 was missing or incomplete.

What it usually means

628 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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