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Notice code 331 (Default) — We changed the amount claimed as excess social security tax withheld or tier 1 RRTA withheld on page…
We changed the amount claimed as excess social security tax withheld or tier 1 RRTA withheld on page 1 of your tax return due to a computation error.
What to do next
Start with these steps before you reply.
331
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 excess social security tax withheld or tier 1 RRTA withheld on page 1 of your tax return due to a computation error.
What it usually means
331 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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