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Peacock & French CPAs
Apr 01, 2026

Few pieces of mail create anxiety quite like an envelope from the IRS.

Your mind may immediately jump to worst-case scenarios. Did you make a mistake on your tax return? Are you being audited? Do you owe a large amount of money?

Before panic sets in, take a deep breath. In many cases, an IRS notice is simply a request for information, a correction, or a routine communication. While it's important to take any IRS correspondence seriously, receiving a letter doesn't automatically mean you're in trouble.

Understanding why the IRS sends notices and knowing how to respond can help you resolve the issue quickly and avoid unnecessary stress.

Most IRS Notices Are Not Audits

One of the biggest misconceptions taxpayers have is that every letter from the IRS signals an audit. Fortunately, that's usually not the case.

The IRS sends millions of notices each year for a variety of reasons, many of which are relatively straightforward. In fact, most notices are generated automatically when the agency's systems detect a discrepancy, missing information, or a balance due.

Common non-audit notices include:

• Notifications about changes made to your return
• Requests for additional documentation
• Identity verification letters
• Balance due reminders
• Notices regarding missing forms or schedules

In many situations, the issue can be resolved with a simple response or explanation.

Receiving a notice doesn't necessarily mean you've done anything wrong. Sometimes it's the result of a reporting error from a third party, a missed form, or even a simple math mistake.

The most important thing is to read the notice carefully and understand what the IRS is asking for before taking action.

If you're feeling overwhelmed, knowing how to respond calmly to an IRS notice can help you avoid unnecessary stress and costly mistakes.

IRS notices can be triggered by a wide range of situations. Some are minor, while others may require additional attention.

Income Doesn't Match IRS Records

One of the most common reasons taxpayers receive notices is because income reported on their return doesn't match information the IRS received from employers, financial institutions, or other payers.

For example, if a Form 1099 or W-2 was overlooked when preparing a return, the IRS may send a notice proposing changes to the reported income.

Math Errors

Even in an age of tax software, calculation errors still happen.

The IRS frequently corrects simple math mistakes and sends a notice explaining the adjustment. In many cases, no further action is required unless you disagree with the correction.

Missing Information

A return may be missing a required form, schedule, signature, or supporting documentation.

When this occurs, the IRS often sends a notice requesting the missing information before it can complete processing the return.

Unpaid Taxes

If you owe taxes and have not paid the balance in full, the IRS may send notices reminding you of the amount due, along with any penalties or interest that have accrued. Staying current on your quarterly estimated taxes can help reduce the risk of unexpected tax bills and IRS notices in the future.

Ignoring these notices can cause the balance to grow over time.

Ignoring these notices can cause the balance to grow over time.

Identity Verification

The IRS works continuously to combat tax fraud and identity theft.

If something about a return appears unusual, the agency may send a letter asking you to verify your identity before processing the return or issuing a refund.

Changes to Credits or Deductions

Certain deductions and tax credits require supporting documentation.

If the IRS questions a credit or deduction claimed on your return, it may request additional information to substantiate the claim.

What To Do When You Receive an IRS Notice

The way you respond can make a significant difference in how quickly the matter is resolved.

Read the Entire Notice

Many taxpayers make the mistake of skimming the first paragraph and assuming they know what the issue is.

Instead, read the notice carefully from beginning to end. Pay attention to the notice number, the tax year involved, and any action the IRS is requesting.

Compare It to Your Tax Return

Pull out a copy of the tax return referenced in the notice and compare it to the information provided by the IRS.

This can help you determine whether the IRS is correct or whether there may be an error that needs to be addressed.

Note Any Deadlines

Most IRS notices include a response deadline.

Missing that deadline can limit your options and potentially lead to additional penalties or collection activity. Mark important dates on your calendar and respond promptly.

Keep Organized Records

Save the original notice and maintain copies of any documents you send to the IRS. Maintaining organized financial records throughout the year makes it much easier to respond accurately if the IRS requests additional information.

Good recordkeeping can make future conversations much easier if additional questions arise.

Respond Appropriately

If the IRS is requesting documentation, provide the information requested.

If you agree with the notice, follow the instructions for resolving the issue. If you disagree, the notice will typically explain how to respond and present your case.

What Not To Do

Just as important as knowing what to do is understanding what not to do.

Don't Panic

Receiving an IRS letter can be unsettling, but emotional reactions often lead to unnecessary stress.

Most notices have a clear explanation and a straightforward path toward resolution.

Don't Ignore It

This is perhaps the biggest mistake taxpayers make.

IRS notices generally do not disappear on their own. Ignoring them can result in additional penalties, interest, and more serious collection efforts.

Don't Assume the IRS Is Wrong

While mistakes do happen, it's important to carefully review the information before disputing a notice.

In many cases, the IRS is working from information provided by employers, banks, or other reporting entities.

Don't Send Incomplete Information

If the IRS requests documentation, make sure your response is complete and organized.

Providing only part of the requested information may delay resolution and create additional correspondence.

Don't Wait Until the Last Minute

Responding early gives you more flexibility and helps prevent a manageable issue from becoming a larger problem.

When to Contact a CPA

Some IRS notices are simple enough to handle on your own. Others may benefit from professional guidance, especially if you have questions about the IRS Safe Harbor Rules for Small Businesses or other tax compliance issues that could affect future filings.

• You don't understand the notice.
• The amount of money involved is significant.
• You disagree with the IRS's findings.
• The notice involves a business return.
• You own rental properties.
• Multiple years or multiple notices are involved.
• You're feeling overwhelmed by the process.

A CPA can review the notice, evaluate the IRS's position, gather supporting documentation, and communicate with the agency on your behalf when appropriate.

Perhaps most importantly, a CPA can help you understand your options and provide peace of mind during what can be a stressful situation.

Don't Let an IRS Letter Ruin Your Day

Receiving a letter from the IRS can be intimidating, but it's important to remember that most notices are not audits and many can be resolved quickly when addressed promptly.

Take the time to read the notice carefully, understand what the IRS is requesting, and respond appropriately. Avoid the temptation to ignore the letter or assume the worst.

And if you're unsure how to proceed, don't hesitate to seek professional guidance at Peacock & French CPAs and step into tax season with confidence.

An experienced CPA can help you understand the situation, protect your interests, and work toward a resolution, allowing you to move forward with confidence instead of worry.