What this IRS notice code means, and what to check before you reply.
Start with these steps before you reply.
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.
Campus notice only: Push Code Condition - a TC150 has posted on a module where a TC930 was previously posted, and/or an unreversed TC590 (CC7)/591/597 has posted
CP198 is in our IR Manual catalog. Official wording is dense — we translate it for business owners and individuals and map realistic next steps.
Every notice in this library, sorted the way the IRS numbers them.