IRS Letters and Forms
Notice code 356S

Notice code 356S (1040-SS) — We changed the amount of tax on line 5 of your Form 1040-SS. There was an error in the transfer of t…

We changed the amount of tax on line 5 of your Form 1040-SS. There was an error in the transfer of the amount from line 18 of your Form 8959, Additional Medicare Tax, to line 5 of your Form 1040-SS.

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356S

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What the IRS language says

We changed the amount of tax on line 5 of your Form 1040-SS. There was an error in the transfer of the amount from line 18 of your Form 8959, Additional Medicare Tax, to line 5 of your Form 1040-SS.

What it usually means

356S 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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