Receiving an IRS letter about your tax return can be concerning, but a notice does not automatically mean that you are being audited or that you did something wrong.
The IRS sends letters and notices for many reasons. For example, the agency may have a question about your return, need additional information, change your refund, request identity verification or notify you about a balance.
Most importantly, do not ignore the correspondence. Instead, read the entire notice, identify what the IRS is requesting and check whether it includes a response deadline. Taking these steps early can make the situation much easier to address.
FIRST THINGS FIRST
An IRS Letter Is Not Automatically an Audit
The IRS communicates with taxpayers for many different reasons. Some letters simply explain a correction or request information. Others may concern unpaid tax, a discrepancy or an issue that requires a response.
For instance, the IRS may contact you because information reported by an employer or financial institution does not match your tax return. In another situation, the agency may need to verify your identity before processing a refund.
Therefore, avoid making assumptions based only on the IRS logo or the appearance of the envelope. The notice itself should explain why the IRS contacted you and what, if anything, you need to do next.
THE FIRST RULE
Don’t ignore it.
Read the entire notice before deciding what to do.
Then identify the notice number, tax year, reason for the correspondence and any deadline shown in the letter.
START HERE
Three Things to Check Immediately
Before calling anyone or sending documents, understand exactly what the notice says.
These three checks provide a good starting point.
01
Identify the Notice or Letter
First, look for the CP or LTR number on the correspondence. The IRS uses these numbers to identify specific types of notices and letters. You can then use the number to find additional information about the notice.
02
Check the Tax Year and Issue
Next, determine which tax year the letter concerns and why the IRS contacted you. Compare those details with the copy of the tax return you filed for that year.
03
Find the Response Deadline
Finally, determine whether the IRS requires a response and note the due date. Responding on time can be especially important when you disagree with a proposed change or need to preserve certain appeal rights.
REVIEW YOUR RETURN
Compare the IRS Letter With Your Tax Records
Once you understand the reason for the notice, compare the IRS information with your own records before responding.
Start With the Filed Return
Review the tax return for the year listed in the notice. In particular, compare income, withholding, credits and other amounts mentioned in the IRS correspondence.
Then gather the forms used to prepare that return. Depending on the issue, those documents could include Forms W-2, Forms 1099, business records or other supporting information.
As a result, you will have a clearer picture of whether the IRS information agrees with your records.
Don’t Assume the IRS Change Is Final
Some notices describe proposed changes rather than final tax assessments. Therefore, read the wording carefully before agreeing or sending payment.
If you disagree, the notice should explain how to respond. Supporting documents can be important because they allow the IRS to evaluate your explanation.
However, the appropriate response depends on the specific notice. Always follow the instructions provided with your correspondence.
YOUR RESPONSE
What if You Agree or Disagree With the IRS?
If you agree with the notice, follow the instructions and take any action the IRS requests. In some cases, you do not need to send a reply unless the notice specifically asks for one.
If you disagree, however, follow the dispute instructions in the notice. Explain why you disagree and include copies of relevant supporting documents when requested.
Importantly, do not send original records unless the IRS specifically instructs you to do so. Keep copies of the notice, your response and supporting documents with your tax records.
Also pay close attention to the response date. A timely response can be important for protecting your rights when challenging an IRS position.
KEEP A PAPER TRAIL
Save What You Send
Keep the original IRS notice with your tax records.
In addition, retain copies of your response and the documents you provide.
If you mail a response, consider keeping appropriate evidence of when and where you sent it.
Good records can become especially valuable if additional correspondence follows.
COMMON EXAMPLE
What Is a CP2000 Notice?
A CP2000 is one type of IRS notice taxpayers may receive after filing a return.
Despite its appearance, a CP2000 is not itself a bill. Instead, it generally explains a discrepancy and proposed changes based on information available to the IRS.
Why You Might Receive One
The IRS receives income and payment information from third parties such as employers and financial institutions. If that information does not match what appeared on your tax return, the IRS may send a CP2000 series notice.
Review the Proposed Changes
Carefully compare the IRS information with your return and records. For example, a form could contain incorrect information, income may have been omitted or additional facts may affect the proposed tax calculation.
Respond as Directed
If the notice requires a response, follow its instructions by the listed date. If you disagree, explain your position and provide the supporting documentation requested.
IF YOU OWE
What if the IRS Letter Shows a Balance Due?
A balance due deserves attention even when you cannot pay the entire amount immediately.
First Confirm the Balance
Before paying, review why the IRS says you owe money. Compare the notice with your tax return and determine whether you agree with the amount.
If you disagree, follow the instructions for challenging the notice rather than simply ignoring it.
On the other hand, if the balance is correct, address it by the applicable due date whenever possible.
If You Cannot Pay in Full
The IRS advises taxpayers with an amount due to pay by the due date, even if they cannot pay the entire balance. Paying what you can may reduce additional interest and penalty charges.
Depending on the circumstances, payment arrangements may also be available. Therefore, inability to pay the entire amount should not become a reason to ignore the letter.
If the tax debt is difficult to resolve, professional tax resolution assistance may help you understand the available next steps.
VERIFY FIRST
Make Sure the Letter Is Really From the IRS
Tax scams can imitate government correspondence. Therefore, verify suspicious communications before providing personal information or sending money.
Never rely only on pressure, threats or contact information supplied in a suspicious message.
Check the Notice
Look for the notice or letter number and review the return address. You can also search for the notice through official IRS resources.
Use Official IRS Resources
If something appears suspicious, independently visit the official IRS website rather than following an unfamiliar link or QR code from an unexpected message.
Protect Personal Information
Do not provide Social Security numbers, banking information or other sensitive data until you understand who contacted you and why.
When in doubt, verify the correspondence before taking action.
WHEN YOU NEED HELP
Consider Professional Help Before You Respond
Many IRS notices can be handled by carefully following the instructions. However, some situations become more complicated when the notice involves significant income differences, multiple tax years, penalties, business records or an amount you believe is incorrect.
A tax professional can review the notice alongside the filed return and supporting documents. As a result, you can better understand the issue before submitting a response.
Professional assistance can also be useful when previous responses have not resolved the matter or when additional IRS correspondence continues to arrive.
ASB Tax & Accounting provides tax and accounting services for individuals and businesses in Oxnard and surrounding Ventura County communities.
BEFORE YOUR APPOINTMENT
Bring the Complete Notice
Bring every page of the IRS letter, not only the first page.
Also bring a copy of the tax return for the year involved and any documents related to the issue.
Finally, include copies of previous responses if you have already communicated with the IRS.
The complete history can make the issue easier to evaluate.
COMMON QUESTIONS
FAQ About IRS Letters and Notices
These answers address several common concerns taxpayers have after receiving IRS correspondence.
No. The IRS sends notices and letters for many reasons, including questions about a return, balance information, refund changes, identity verification and corrections. Therefore, read the specific notice to determine why the IRS contacted you.
Not every notice requires a written response. If the IRS asks you to respond, however, follow the instructions and act by the stated due date. If you agree with a notice, you may not need to reply unless the IRS specifically requests action.
Follow the dispute instructions included with the notice. Explain why you disagree and provide copies of relevant supporting documents when appropriate. Most importantly, pay attention to the response deadline because timely action can affect your rights.
A CP2000 series notice generally concerns a difference between information reported to the IRS by third parties and information reported on your tax return. It explains proposed changes and is not itself a bill.
Yes. A tax professional can review the notice, the filed return and supporting records. Depending on the situation and appropriate authorization, a qualified professional may also assist with communication or representation before the IRS.
Received an IRS Letter and Aren’t Sure What to Do Next?
An IRS letter about your tax return can involve a simple correction, a request for information, a proposed change or a more complicated tax issue.
ASB Tax & Accounting can help you review the correspondence, understand what the IRS is requesting and determine the appropriate next steps based on your situation.
We serve individuals and businesses in Oxnard and surrounding Ventura County communities. In addition, assistance is available in English and Spanish.
Last reviewed: September 2026. IRS procedures, notices and individual circumstances can vary. Therefore, this article provides general information and does not replace individualized tax advice or representation.
