You open an envelope from the IRS and your heart immediately sinks. The header reads CP2000 — Proposed Changes to Your Tax Return. Before you spiral into worst-case scenarios, take a breath. This notice is far more common — and far less catastrophic — than it appears.
What Is a CP2000 Notice?
A CP2000 is not a bill and not an audit. It's a proposal. The IRS computers automatically compare the income you reported on your return against income reported to them by third parties — your employer, your bank, your brokerage. When there's a discrepancy, the system generates a CP2000.
The keyword is proposed. Nothing has been assessed yet. You have the right to agree, disagree, or partially disagree.
Why Did You Get One?
Common reasons include:
- You forgot a 1099. A freelance payment, bank interest, or investment dividend that wasn't on your return.
- Employer reporting error. Your W-2 might have a clerical mistake that doesn't match the IRS's copy.
- Stock sales. If you sold shares, the IRS sees the gross proceeds but not always your cost basis — making it look like you owe more than you do.
- Cryptocurrency. Exchanges report transactions; if you didn't, expect a notice.
The Three Numbers That Matter
Ignore the walls of text and find these three figures:
- Amount you reported — what you filed
- Amount we think you owe — the IRS's proposed figure
- Response deadline — usually 60 days from the notice date
Write the deadline on your calendar right now.
Your Response Options
Option 1: Agree
If the IRS is correct, pay the proposed amount by the deadline. You can set up a payment plan if you can't pay in full. Interest stops accruing on the agreed amount once it's assessed.
Option 2: Disagree (Partially or Fully)
You'll need documentation:
- W-2s, 1099s, and brokerage statements
- Receipts for any deductions you're defending
- Your original tax return
Write a clear explanation, attach copies of your documents, and return the response form included with the notice. Keep everything — send certified mail with return receipt.
Option 3: Do Nothing
Don't. If you ignore a CP2000, the IRS will assess the tax, add penalties and interest, and the amount owed grows every day. What was a proposal becomes a legal debt.
Common Misconceptions
"They're auditing me."
No. A CP2000 is an automated computer match, not an audit. Auditors are humans who request specific records and schedule meetings. A CP2000 is a letter.
"I have to pay immediately."
No. You have time to respond — typically 60 days. Use it. If you need more time, you can request a 30-day extension by calling the number on the notice before the deadline.
"I'll go to jail if I ignore it."
Criminal prosecution requires willful tax evasion. Forgetting a 1099-INT for $200 of bank interest is a civil matter, not a criminal one.
The 10-Minute Action Plan
- Find the response deadline and add it to your calendar
- Compare the notice to your original tax return line by line
- Gather documentation for any income or deductions in question
- Call a CPA or tax professional if the amount is over $500 or if you're unsure
- Respond by the deadline — even if just to say you need more time
PaperLens can read your CP2000 letter, identify the key numbers and deadline, and explain your options in plain English — in under 10 seconds. Scan your notice now →