IRS Letters and Forms
Notice code 422

Notice code 422 (Default) — From the information that you gave us, it appears that you are liable for self-employment tax.

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

What to do next

Start with these steps before you reply.

422

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

From the information that you gave us, it appears that you are liable for self-employment tax.

What it usually means

422 is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.

Have this letter in hand?

Bring it to a free call and leave with a plan for your reply.

Ask about this letter