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CP2000 — Underreporter inquiry
The IRS thinks income on your return does not match third-party reports (W-2, 1099, K-1, etc.). They propose changes and may assess additional tax if you do not respond.
What this notice is saying
Use the free strategy session if the letter is unclear, high dollar, or collection language appears.
Read the deadline
Response or collection dates on the letter matter more than internet scare stories.
Match the facts
Compare the notice to your return, books, and third-party forms before you reply.
Pick a path
Pay, installment, relief, CNC, or hearing rights — fit-checked to your cash and liability.
Keep books honest
Resolution fails when the ledger cannot defend the story. We align numbers with the plan.
What to do next
Practical steps before fear takes the wheel. Bound from irs_notice.what_to_do.
CP2000
Compare the notice to your return and source docs. Note the response deadline. Do not ignore it. Book a strategy session if the numbers are large, mixed entity, or you disagree with the IRS math.
Why you got a CP2000
The Automated Underreporter program matches your return to information returns. A mismatch does not always mean you owe — sometimes the payer coded a form wrong, or income belongs on a different return.
What we check
- Which years and which payers
- Whether the income is already reported somewhere else
- Whether amended returns or explanations are enough
- Whether books support the story if this is a business year
Related
See also our IRS debt path and tax services.
Related paths
Most IRS letters sit next to books, tax, or cash-flow stress.