IRS audit triggers (2024)

Tax Day comes fast every year. So, when it’s time to begin preparing and filing your taxes, keep in mind that audits happen. What’s more, your last three years tax returns can be subject to scrutiny as those returns fall under the statute of limitations timeline the IRS has to review or audit tax returns In general, the statute of limitations is three years from the due date or the filing date of the return, whichever is later.1

What is an IRS audit?

An IRS audit is an official review by the Internal Revenue Service of a business’ or individual’s tax return, supporting documents and other financial accounts and information to ensure the accuracy of the information reported on the return, including the amount of income reported.

The percentage of individual tax returns that are selected for an IRS audit is relatively small. In 2022,just 0.49% of individual tax returnswere selected for audits, or fewer than one out of every 100 returns.2

Top IRS audit triggers

But just because the odds of being audited are small doesn’t mean that it’s impossible for you to beaudited by the IRS. To prevent fraud, the IRS continues to increase their usage of automated programs to identify tax returns that they believe warrant further scrutiny.

To reduce the chances that your tax return is audited, you should be aware of certain things that tend to flag returns for further IRS review.

Here are 12 IRS audit triggers to be aware of:

1. Math errors and typos

The IRS has programs that check the math and calculations on tax returns. If your return “doesn’t add up,” it may be flagged for further review. Double check your Social Security number – and your math.

2. High income

Audit rates of all income levelscontinue to drop. As you’d expect, the higher your income, the more likely you will get attention from the IRS as the IRS typically targets people making $500,000 or more at higher-than-average rates.3

3. Unreported income

The IRS receives copies of your W-2s and 1099s, and their systems automatically compare this data to the amounts you report on your tax return. A discrepancy, such as a 1099 that isn’t reported on your return, could trigger further review. So, if you receive a 1099 that isn’t yours, or isn’t correct, don’t ignore it. Contact the issuer of that 1099 and ask them to report a corrected form to the IRS.

4. Excessive deductions

The IRS will compare your itemized deductions to the average total deductions for a given item claimed by other taxpayers who are in the same income range as you. A taxpayer whose deductions appear to exceed these averages may be further scrutinized by the IRS. Don’t hesitate to claim every deduction that you are entitled to – just make sure you have the proper documentation.

5. Schedule C filers

The IRS particularly watches businesses that operate primarily with cash – as well as those that are reporting a loss. They have lots of experience auditing self-employed taxpayers who underreport income or overstate expenses. Just make sure your records support what you are reporting.

6. Claiming 100% business use of a vehicle

The IRS knows that it’s rare for someone to use a vehicle they own 100% of the time for business purposes. And, if you don’t have another personal vehicle registered in your name, it’s nearly impossible to report that the vehicle is exclusively used for business. Claiming 100% business use of a vehicle will potentially draw IRS attention. The higher percentage you are claiming, the more critical it is that you have detailed records.

7. Claiming a loss on a hobby

Writing off expenses for a business is fine, but you can’t portray your hobby as a business. For it to be a business, you must have a reasonable expectation to make a profit. While there is some nuance to the issue, one factor the IRS can use as a guideline is if you have reported a profit for three of every five years you operate the business.

In order to report your activity as a business, it must be run like a business with appropriate records and documentation. Otherwise, the IRS could require you to restate any business income/loss as a hobby income/loss, subject to hobby rules. For more information, refer to the IRS’s rules on hobbies.

8. Home office deduction

To claim the home office deduction, you must use a portion of your home “regularly and exclusively” for business. Make sure home office expenses are well-documented and supported.

9. Deducting business meals, travel and entertainment

This is another area that draws IRS attention because of past abuse. First, it’s probably obvious that you can’t deduct expenses for which your employer reimburses you. Second, you must keep careful records – not just a receipt, but also a record of who was in attendance and the specific business purpose. The IRS doesn’t want you enjoying lavish meals and entertainment on Uncle Sam’s nickel.

10. Earned income tax credit (EITC)

The IRS estimates that33% of EITC claims are paid in error.4Some errors are unintentional, but the IRS scrutinizes EITC claims closely to prevent fraud. If you claim the EITC, make sure to document how you meet EITC rules so that you can provide this documentation to the IRS in the future, if needed.

11. Dealing in cryptocurrency and other virtual currency

There’s currently less government regulation overcryptocurrencieslike Bitcoin and Ethereum than over regular currency, which opens the door to potential fraud opportunities. The IRS has created a compliance campaign that’s focused exclusively on cryptocurrency transactions and also beefed-up enforcement to address abuse of virtual currencies.

12. Taking early withdrawals from retirement accounts

These withdrawalsmust meet certain criteria in order to avoid taxation and penalties. Therefore, the IRS keeps an eye out for unreported early retirement account withdrawals that don’t meet the criteria and are therefore taxable.

How far back can the IRS audit?

In normal circ*mstances, the IRS is allowed by law to go back three years when auditing tax returns. However, if errors are detected in a return, they can go back even further, though they usually don’t go back more than six years.

The IRS has up to three years to assess additional taxes after conducting an audit, though they can request an extension to this. (You are not legally required to accept the extension.) And they have three years after the audit to issue a refund if one is due to you.

How long should you keep tax records?

Since the IRS is normally allowed to audit the past three years’ tax returns, you should keep all tax returns andrecordsfor at least three years. Some experts recommend keeping tax returns for up to six or seven years in case the IRS goes back further than three years when conducting an audit.

Keep in mind that if you fail to file a tax return, the IRS can conduct audits going back indefinitely.

What should you do if you’re audited?

So, what should you do if you receive a notice from the IRS that your tax return is being audited? The most important thing is to respond to all IRS requests promptly and in a friendly and cooperative manner.

Often the audit can be handled by mail, and you won’t even have to meet the auditor face to face. This might be the situation, for example, if the IRS is simply requesting documentation to support claims on your return.

Depending on how complex the audit is and how much money is involved, you might want to consult with a tax professional. If an accountant prepared your tax return, you should probably get him or her involved in the audit.

The IRS has created a webpage with lots of practical information to help you prepare for an audit — you can access ithere.

Our take

Understanding the flags that can trigger an IRS audit is a good way to help you verify that your tax return deductions and claims are accurate and well-documented. Working with a credible tax professional, however, may be your best line of defense when it comes to IRS audits.

Not only will a good tax professional be able to help you file your taxes and ensure that these IRS audit triggers are all by the books, but they will also be able to provide detailed documentation and information on your behalf if you should get audited. Consider talking to a financial professional for more detailed guidance on your tax-optimization strategies.

IRS audit triggers (2024)

FAQs

What triggers an audit with the IRS? ›

Unreported income

The IRS receives copies of your W-2s and 1099s, and their systems automatically compare this data to the amounts you report on your tax return. A discrepancy, such as a 1099 that isn't reported on your return, could trigger further review.

What gets you flagged for IRS audit? ›

If the deductions, losses, or credits on your return are disproportionately large compared with your income, the IRS may want to take a second look at your return. Taking a big loss from the sale of rental property or other investments can also spike the IRS's curiosity.

At what point will the IRS audit you? ›

We usually don't go back more than the last six years. The IRS tries to audit tax returns as soon as possible after they are filed. Accordingly, most audits will be of returns filed within the last two years. If an audit is not resolved, we may request extending the statute of limitations for assessment tax.

What are some red flags that can trigger a tax audit? ›

Not reporting all of your income is an easy-to-avoid red flag that can lead to an audit. Taking excessive business tax deductions and mixing business and personal expenses can lead to an audit. The IRS mostly audits tax returns of those earning more than $200,000 and corporations with more than $10 million in assets.

How does IRS pick who to audit? ›

Generally, the problems are identified by a computer. District offices select returns randomly sometimes for special research programs, but generally the returns are selected because they have good audit potential. The potential is discovered by a computerized system called the Discriminant Function System (DIF).

Who gets audited by the IRS the most? ›

The two groups most likely to get audited are those earning more than $10 million and taxpayers who claim the Earned Income Tax Credit, who tend to be low- or middle-income workers.

What's the worst that can come from an audit? ›

Tax evasion and fraud penalties are some of the worst IRS audit penalties that you can face. The civil fraud penalty is 75% of the understated tax. For instance, if your tax return showed that you owed $10,000 less than you do, you will owe the $10,000 in tax plus a 75% penalty of $7,500.

What is the IRS 6 year rule? ›

6 years - If you don't report income that you should have reported, and it's more than 25% of the gross income shown on the return, or it's attributable to foreign financial assets and is more than $5,000, the time to assess tax is 6 years from the date you filed the return.

What happens if you are audited and found guilty? ›

If you are audited and found guilty of tax evasion or tax avoidance, you may face a fine of up to $100,000 and be guilty of a felony as provided under Section 7201 of the tax code.

Does the IRS look at your bank account during an audit? ›

The Short Answer: Yes. Share: The IRS probably already knows about many of your financial accounts, and the IRS can get information on how much is there. But, in reality, the IRS rarely digs deeper into your bank and financial accounts unless you're being audited or the IRS is collecting back taxes from you.

What are the odds of getting audited by the IRS? ›

Audit Rate

(Source: IRS Data Book, 2022.) Overall, the chance of being audited was 0.2%. So, only one out of every 500 returns was audited.

What happens if you get audited and don't have receipts? ›

The Internal Revenue Service may allow expense reconstruction, enabling taxpayers to verify taxes with other information. But the commission will not prosecute you for losing receipts. The IRS may disallow deductions for items or services without receipts or only allow a minimum, even after invoking the Cohan rule.

How many miles can you write off without getting audited? ›

Luckily, there is no limit on the amount of mileage you can claim on taxes, granted that all mileage is related to business purposes.

How can you avoid an IRS audit? ›

You can't always avoid an audit, but thorough records that support your deductions can quickly appease most auditors. Have supporting documentation for any deduction on your tax return, especially those that are significant or subject to special rules, such as rental losses.

What signals an IRS audit? ›

While the chances of an IRS audit have been slim, the agency may scrutinize your return for several reasons. Some red flags for an audit are round numbers, missing income, excessive deductions or credits, unreported income and refundable tax credits.

How do you win an IRS audit? ›

How to address an IRS audit
  1. Understand the scope of the tax audit. ...
  2. Prepare your responses to IRS questions. ...
  3. Respond to IRS requests for information/documents on time, and advocate your tax return positions. ...
  4. If you disagree with the results, appeal to the appropriate venue.

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