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.
NOTICE OF Employment Tax Problem—Why You’re Tax May Be Changed. Notice issued to taxpayer under the Combined Annual Wage Reporting (CAWR) program to advise of a wage discrepancy (potential overpayment or underpayment). 253 Request for W-2 not filed with Social Security Administration- Notice issued to taxpayer under the Combined Annual Wage Reporting (CAWR) program to advise of missing forms W-2.The notice is generated from the CAP system, not BMF.
CP251 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.