Key Takeaways CP504 is the IRS's "Notice of Intent to Seize (Levy) Your Property or Rights to Property" — this is your final warning before enforcement The IRS can levy your state tax refund immediately upon issuing CP504 and can levy other assets after providing a CDP notice You should respond within 30 days to prevent escalation, though the IRS generally won't levy for at least 30 days after CP504 Multiple response options exist: pay in full, set up a payment plan, request an Offer in Compromise , or dispute the debt Ignoring CP504 is the worst possible action — it leads directly to bank levies, wage garnishments, and property seizures What Is Notice CP504? Notice CP504 (also referred to as CP504B for certain balance due amounts) is an urgent IRS notice titled "Notice of Intent to Seize (Levy) Your Property or Rights to Property." It is the fourth and final notice in the IRS collection notice sequence: Notice Name Urgency CP14 Balance Due Notice Initial — informational CP501 Reminder of Balance Due Low — first follow-up CP503 Second Reminder Medium — escalation warning CP504 Intent to Seize/Levy URGENT — final warning before enforcement After CP504, the next step is either a Final Notice of Intent to Levy (Letter 1058 or LT11), which triggers your Collection Due Process rights , or direct enforcement action. What CP504 Means for You When you receive CP504, it means: The IRS has sent you at least three prior notices that went unresolved The IRS is prepared to begin enforcement actions against your assets Your state tax refund can be seized immediately Further levies on bank accounts, wages, and other property will follow if you don't respond A federal tax lien may have already been filed or will be filed soon How to Respond to...