What Are IRS CP-Series Notices?
IRS CP-Series Notices are standardized letters issued by the Internal Revenue Service to address issues related to individual or business tax returns. These notices are commonly sent for unpaid balances, missing payments, or discrepancies between information reported on a tax return and data received by the IRS from third parties such as employers or financial institutions.
CP notices typically follow a progressive sequence, meaning the level of urgency increases if earlier notices are not resolved. Understanding which notice you have received helps determine the seriousness of the situation and the appropriate response.
Common IRS CP Codes Explained
CP Code |
Notice Type |
What It Means |
Urgency |
|---|---|---|---|
| CP501 | First reminder notice | Initial reminder that a tax balance remains unpaid and payment or arrangements are requested. | Low |
| CP503 | Second reminder notice | Balance is still unpaid. Warns that further collection action may occur if not addressed. | Medium |
| CP504 | Notice of Intent to Levy | IRS may seize property or income if the balance remains unresolved. | High |
| CP90 / CP297 | Final notice before levy | Final warning before the IRS begins levying assets. | Very High |
| CP2000 | Income discrepancy notice | Reported income does not match information received from employers, banks, or other institutions. Not an audit and not automatically a bill. | Medium |
What Should You Do If You Receive a CP-Series Notice?
Responding to an IRS notice is important to prevent penalties, interest, or enforcement actions. The following steps apply to most CP-Series Notices.
1. Read the Notice Carefully
Review the entire notice to understand the issue, the tax year involved, and what the IRS is requesting. Do not assume the notice is incorrect without reviewing the details.
2. Verify the Information
Compare the notice to your tax records, including filed returns, W-2s, 1099s, and payment confirmations, to confirm whether the IRS’s information is accurate.
3. Follow the Instructions Provided
Each CP notice includes specific instructions for responding, including how to reply, where to send documentation, and acceptable forms of payment or explanation. Following these instructions ensures your response is properly documented.
4. Respond Promptly
Most CP notices have response deadlines. Failing to respond by the stated date may result in additional penalties, interest, or escalation to collection actions.
5. Seek Professional Assistance if Needed
If you are unsure how to respond, disagree with the notice, or need help gathering documentation, consider consulting a tax professional such as a tax preparer, Enrolled Agent (EA), or Certified Public Accountant (CPA).
What If You Cannot Pay the Full Amount?
If you receive a CP503 or CP504 notice and cannot pay the full balance owed, you may still have options.
Common options include:
-
Installment agreements, which allow payments over time
-
Offer in Compromise (OIC), which may allow you to settle the debt for less than the full amount owed, depending on eligibility
To pursue these options, you must contact the IRS and follow their application and approval process. Taking action before enforcement begins provides more flexibility than waiting until collection actions are underway.