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Notice code 063
Notice code 063 — We didn’t allow the amount claimed as investment credit on page 2 of your Form 1040 because NPS Form…
What this IRS notice code means, and what to check before you reply.
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063
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 didn’t allow the amount claimed as investment credit on page 2 of your Form 1040 because NPS Form 10-168a, Historic Preservation Certification Application, was incomplete or not attached to your tax return.
What it usually means
063 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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