IRS Letters and Forms
Notice code 08

Notice code 08 — Missing Taxpayer Identifying Number (TIN) - We charge a penalty when you don’t provide a social secu…

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

What to do next

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08

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

Missing Taxpayer Identifying Number (TIN) - We charge a penalty when you don’t provide a social security number (SSN) for yourself, your dependent, or another person. We also charge a penalty when you don’t provide your own SSN to another person or if you don’t include your employer identification number on an information return. The penalty of $5 for each missing TIN the law requires on returns and statements due by 12/31/89. The penalty is $50 for each missing TIN the law requires on returns and statements due after 12/31/89.

What it usually means

08 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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