CP14
The IRS says you owe money on unpaid taxes.
Read the CP14 guide →IRS sourceYou owe a balance
CP501
A reminder that you still owe a balance on one of your tax accounts.
Read the CP501 guide →IRS sourceCP503
The IRS hasn't heard from you, and you still have an unpaid balance.
Read the CP503 guide →IRS sourceCP161
You have an unpaid balance due. If you think the IRS made a mistake, contact it within 10 days of the notice date.
Read the CP161 guide →IRS sourceThe IRS wants to levy
CP504
Notice of Intent to Levy: the IRS asks you to pay your unpaid balance immediately.
Read the CP504 guide →IRS sourceLT11 / Letter 1058
The IRS intends to seize your property or rights to property, and you can ask for a Collection Due Process hearing.
Read the LT11 / Letter 1058 guide →IRS sourceCP90
The IRS intends to levy certain assets for unpaid taxes and tells you about your right to a Collection Due Process hearing.
Read the CP90 guide →IRS sourceThe IRS disagrees with your return or needs to verify you
CP2000
Income or payment information from third parties doesn't match your return. The notice proposes changes, and it isn't a bill.
Read the CP2000 guide →IRS sourceCP3219A
Statutory Notice of Deficiency: the IRS proposes a change to your tax based on third-party information, and you can challenge it in U.S. Tax Court.
Read the CP3219A guide →IRS source5071C
A return was filed under your SSN or ITIN, and the IRS needs you to verify your identity and the return.
Read the 5071C guide →IRS sourceNot sure what your letter means?
Bring the notice to a 30-minute call, and we'll work out your next step.
Book a 30-minute Tax Leak ReviewGeneral information, not tax advice until engaged. Descriptions summarize the IRS's own notice pages; always follow the instructions on your notice.