
Received a letter from the IRS? Look up your notice or letter code below for a plain-English explanation, the deadline that matters, and exactly what to do next.
Your first notice that you owe unpaid taxes, including penalties and interest.
A second, more urgent reminder that your balance is unpaid.
An urgent notice that the IRS intends to levy your state tax refund and may pursue other assets.
Your final notice before the IRS can levy your income and assets, and your right to a hearing.
The income reported to the IRS does not match your return, and the IRS proposes changes.
Notice that the IRS intends to terminate your installment agreement for a missed or late payment.
Filter by type or search by code. Each entry has a plain-English explanation and your next step.
Your first notice that you owe unpaid taxes, including penalties and interest.
A reminder that you still have an unpaid balance on your account.
A second, more urgent reminder that your balance is unpaid.
An urgent notice that the IRS intends to levy your state tax refund and may pursue other assets.
Your final notice before the IRS can levy your income and assets, and your right to a hearing.
A final notice of intent to levy and a notice of your right to a Collection Due Process hearing.
A final levy notice issued to businesses, with CDP hearing rights.
The income reported to the IRS does not match your return, and the IRS proposes changes.
An earlier-stage notice that income reported by third parties does not match your return.
The IRS changed your return based on information you provided, creating a balance due.
The IRS corrected a math or entry error on your return, resulting in a balance you owe.
The IRS corrected your return and changed your refund amount.
Your refund was applied to a past-due tax balance from another year.
An annual reminder that you still owe a balance, often sent after a period of inactivity.
A balance-due notice, frequently issued to businesses, requesting payment.
Certification of a seriously delinquent tax debt to the State Department, which can affect your passport.
Notice that the IRS intends to terminate your installment agreement for a missed or late payment.
A notice of levy issued when the IRS has previously levied and intends to levy again.
A request to contact the IRS about overdue taxes or unfiled returns, often from a revenue officer.
A demand to file overdue tax returns immediately.
The final notice before levy, delivered by a revenue officer, with CDP hearing rights.
Notice that the IRS has filed a public Notice of Federal Tax Lien, with hearing rights.
The IRS needs to verify your identity before processing your return or refund.
The IRS is holding your refund while it reviews your return.
The IRS is auditing the credits (like the Earned Income Tax Credit) on your return.
The income reported for your business does not match IRS records.
A civil penalty has been assessed against your business.
An annual reminder of a balance you still owe, including accrued penalties and interest.
Proposed audit changes with 30 days to respond before they become final.

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