IRS CP504: the 21-day window before enforced collection begins.
CP504 is the last automated notice before the IRS begins state tax refund seizure and pursues levy authority. What to do during the 21 days matters more than the balance owed.
What CP504 actually authorizes.
CP504 is the Notice of Intent to Seize (Levy) Your State Tax Refund. It is issued after CP14, CP501, CP503, and CP71 have gone unanswered. The 21-day window on the notice grants the IRS authority to seize any state income tax refund and pursue federal levy authority under a subsequent LT11 or Letter 1058.
The response paths that stop enforced collection.
- Full payment — pays the balance and closes the case, including accrued penalty and interest through the payment date.
- Installment agreement — a streamlined agreement is available on balances under $50,000 for individuals and $25,000 for entities, with automated approval when filed inside the CP504 window.
- Currently Not Collectible status — halts collection when the taxpayer's documented income and reasonable living expenses leave nothing for the IRS to collect. Requires Form 433-F or 433-A.
- Offer in Compromise — resolves the balance for less than the full amount when the reasonable collection potential is demonstrably lower. Not a fast response, but stops collection while pending.
- Collection appeal or Collection Due Process request — challenges the collection action itself, typically preserved for cases where the underlying assessment is disputed.
The mistakes we see most often.
Waiting for the LT11. The CP504 window is when installment agreements are approved fastest, penalty abatement is preserved, and levy authority has not yet been extended. Every additional notice reduces the leverage.
Calling the collection number without a plan. Calling to "see what they'll do" typically results in a demand for financial disclosure the taxpayer is not prepared for, and a shorter payment window than a filed agreement would produce.
Ignoring accrued penalty. Failure-to-pay penalty accrues at 0.5% per month and interest at the federal short-term rate plus 3%. On a $50,000 balance, that is roughly $500 per month in penalty and interest before the assessment even matures.
Questions we get on this one.
- Does CP504 authorize a bank levy?
- No. CP504 authorizes seizure of state tax refunds only. A bank levy or wage garnishment requires the LT11 / Letter 1058 (Final Notice of Intent to Levy and Right to a Hearing), which is a separate notice issued after CP504.
- Can I set up an installment agreement online?
- For most balances under $50,000 (individuals) or $25,000 (entities), yes — using the IRS Online Payment Agreement tool. For larger balances or entities with prior defaults, a filed Form 9465 or a direct call to the Automated Collection System is required.
- Will filing an installment agreement stop the state refund seizure?
- Filing a formal collection alternative places the account in a pending status that halts new enforcement, but a state refund seizure already in transit may complete before the agreement is fully processed. Filing inside the first 10 days of the CP504 window materially reduces that risk.
- Can penalties be removed on a CP504 balance?
- Failure-to-file and failure-to-pay penalties are frequently abatable through First-Time Abatement (once per taxpayer per compliance history) or reasonable-cause abatement. The abatement request should accompany the collection alternative, not follow it.
Stop the collection cycle before it accelerates.
CP504 is the last quiet window. We use it to file the alternative that ends the notices — not to buy 30 more days.