Certified mail from the IRS is used for the most important and time-sensitive tax notices. Unlike regular IRS letters, certified mail includes legal deadlines and requires proof of delivery. If you receive one, you must open it immediately and respond before the stated deadline to avoid penalties or collection actions.
What Is Certified Mail from IRS?
Certified mail from the IRS is a mailing method that provides proof of delivery. According to the Internal Revenue Manual, it creates a record showing when the notice was sent and when it was delivered. It does not arrive faster than standard mail, but it is used when the tax code requires formal delivery.
The IRS does not send every notice this way. Certified mail is reserved for notices that involve legal rights, deadlines, or enforcement actions.
Why Does the IRS Send Certified Mail?
The IRS sends certified mail when:
- The tax code requires it (for example, before a levy or lien).
- A notice carries legal deadlines that protect your rights.
- The IRS must prove you received the letter.
For example, before levying your property, Internal Revenue Code § 6331(d) requires the IRS to give you 30 days’ notice by delivering it in person, leaving it at your home or business, or sending it by certified mail.
Why Would I Receive Certified Mail from IRS?
Receiving certified mail from the IRS generally means one of the following:
- You owe unpaid taxes.
- The IRS is auditing or questioning your tax return.
- You did not file, and the IRS is preparing its own assessment against you.
What to Do If You Receive Certified Mail from IRS
If you receive a certified letter from the IRS, follow these steps:
Step 1: Open it immediately
Certified mail often includes strict deadlines, sometimes as short as 30 days. Delaying reduces your time to act.
Step 2: Verify the letter
Check that it has:
- Official IRS letterhead
- A notice or letter number (usually in the top right corner)
- Your correct name and address
If unsure, call the IRS directly using the number on its website, not the one on the letter.
Step 3: Read carefully
Understand the reason for the letter, the amount (if any), and your response options.
Step 4: Note deadlines
Most certified IRS notices give 30 days to respond. Missing deadlines can cause you to lose appeal rights.
Step 5: Respond appropriately
Examples:
- If the notice is about back taxes, request an installment agreement.
- If it is a levy notice, request a Collection Due Process (CDP) hearing within 30 days.
Step 6: Submit your response correctly
Send your reply before the deadline. If mailing, use certified mail with return receipt to prove delivery. Keep copies of everything you send.
Step 7: Watch for IRS response
The IRS may send follow-up letters or request more information. Open all mail promptly.
Step 8: Consider professional help
If the case is complex or involves liens, levies, or large balances, consult a tax attorney or enrolled agent. Professional guidance can help you avoid mistakes and negotiate better terms.
Common Certified Mail Notices from IRS
Here are the most common notices the IRS sends by certified mail:
| Notice/Letter | Type | What It Means | Action Required |
|---|---|---|---|
| CP3219A | 90-Day Letter | Statutory notice of deficiency giving you the right to petition Tax Court | File petition or provide documentation within 90 days |
| LT11 | Collections | Final Notice of Intent to Levy | Request a CDP hearing within 30 days or resolve your debt |
| Letter 1058 | Collections | Similar to LT11 but sent by a Revenue Officer | Request a CDP hearing and negotiate |
| Letter 3172 (LT3172) | Lien | Notice of Federal Tax Lien filed against you | Request a CDP hearing or resolve debt |
| CP90 | Collections | Final notice before levy of federal payments | Request a CDP hearing or resolve debt |
| CP91 | Collections | Notice of levy on Social Security benefits | Resolve tax debt immediately |
| CP523 | Installment Agreement | Intent to terminate your installment agreement | Cure the default or restructure the agreement |
Other Certified Mail from IRS
The IRS also sends certified mail for:
- CP77 (Notice of intent to levy assets)
- CP92 (Seizure of state tax refund)
- Letter 903 (Payroll tax noncompliance, potential legal action)
- Letter 3171 (Notice of lien in a new county or state)
IRS Certified Mail FAQs
Does the IRS send certified mail?
Yes. The IRS uses certified mail for legally required notices. It even has an internal Certified Automated Mailing System (CAMS) to process certified mail efficiently.
Is certified mail from IRS always bad?
Not always. While many certified notices involve collections or audits, they also give you legal rights to respond or appeal. Ignoring them is what makes the situation worse.
Can the IRS send certified mail internationally?
No. Certified mail can only be sent within the United States.
Should I ignore non-certified mail from the IRS?
No. Non-certified mail may also contain important information. Always review IRS correspondence, certified or not.
