IRS Letters and Forms
Notice code 466N

Notice code 466N (1040NR) — We changed the amount claimed as Child Tax Credit and/or Additional Child Tax Credit on your Form 10…

We changed the amount claimed as Child Tax Credit and/or Additional Child Tax Credit on your Form 1040NR because there was an error on Schedule

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466N

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 your Form 1040NR because there was an error on Schedule

What it usually means

466N 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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