8 Reasons the IRS Could Audit You

Here are the red flags that could trigger an unwanted IRS audit.

Nobody wants to face an IRS tax audit, but even if you do everything according to the rules, you could be subject to one. The good news is that the chances of being audited are very low. The IRS audited only 0.5 percent of returns filed, according to the 2017 Internal Revenue Service Data Book. Additionally, fewer than a third of those are conducted as a field audit, meaning they take place in your home, at your business or in an accountant’s office.

In any case, it’s good to have a tax audit defense in place, but it’s even better to know why people do get audited so you can avoid any potential red flags for the IRS. Pay attention and do what you can to minimize your chances of being audited.

8 Reasons You Could Get Audited

When the IRS notifies you of a tax audit, it means it will examine your tax return more closely and request additional documents related to it. The IRS uses a combination of factors to decide who gets audited, said Michael Raanan, MBA, EA, owner of Landmark Tax Group and former IRS agent. “Many of these can be avoided on behalf of the taxpayer, while others are unavoidable,” Raanan said. Here are some major reasons you could be subject to an IRS audit:

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1. You Have a High Income

The more you earn, the more the IRS is interested in you. For example, for the 2016 tax year’s filed returns, the IRS audited only 0.48 percent of those with an adjusted gross income (AGI) between $50,000 and $75,000 and 0.45 percent of those who made between $75,000 and $100,000.

For people who made $500,000 to $1 million, the percentage of those audited rose to 1.56 percent. For incomes of $1 million to $5 million, the percentage more than doubled to 3.52 percent. If you earned between $5 million and $10 million the odds increased to 7.95 percent, and if you made $10 million or more the odds jumped to 14.52 percent.

Check Out: Only 18% of Americans Believe Their Tax Dollars Are Being Spent the Right Way

2. You Made Clerical Errors or Math Mistakes

You might think a little error wouldn’t draw attention, but you’d be mistaken. “Mathematical errors are one of the most common mistakes on IRS returns, whether the return is filed on paper or electronically,” said Raanan. In 2017, taxpayers were notified regarding 2.5 million math errors made on 2 million tax returns, according to the IRS.

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3. You Failed to Report Taxable Income

Make sure you get proof of income from all third parties who paid you during the year. When you have more than one employer — or client, if you’re an independent contractor — each must provide you with your income and deductions information. It’s crucial that you report all your income on your tax return as not reporting income is a major red flag. In 2016, the IRS audited 2.55 percent of returns that reported no taxable income.

“Filers who don’t report all of their taxable income are more likely to face an audit,” said Andrew Oswalt, CPA and tax analyst for the tax preparation software company TaxAct. “The IRS gets copies of W-2s and 1099s. If there is a discrepancy between what the filer reports and what the IRS sees on his forms, the agency will take a closer look.”

4. You Claim Too Many Business Expenses

If you’re an entrepreneur or small-business owner, the IRS likely has you in its crosshairs. The IRS pays extra attention to those who file a Schedule C because self-employed filers tend to claim too many deductions and often don’t disclose their full income, said Raanan. For example, 2.1 percent of individual returns with business income of $100,000 to $200,000 and no earned income tax credit (EITC) were audited, compared with just 0.6 percent of returns overall.

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Be careful if you claim your car as a business expense. “If you depreciate your car using Form 4562 you’ll be asked how much of its use was tied to business,” said Oswalt. “Most people use their cars for at least some personal things. If you tell the IRS you used your vehicle 100 percent of the time for business, it’s a red flag.

Be Aware: Tax Mistakes Everyone Makes — and How to Avoid Them

5. You Take the Home Office Deduction

Many business owners work from home instead of spending money on an office, which might enable them to deduct expenses like depreciation and utilities — or, under the simplified method, a flat rate per square foot. To qualify for the home office claim, you must use your home office regularly and exclusively for business — and it must be the principal place of your business. Claiming your home as an office could trigger an issue with the IRS.

“The business-use-of-home deduction is a pretty common red flag for IRS agents,” said Oswalt. “If you want to take this deduction, make sure you use your designated home space only for business.”

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Don’t Miss: 7 Ways You’re Accidentally Committing Tax Fraud

6. Your Charitable Deductions Are Too High

The IRS encourages people to make charitable donations of things like money, clothes, food and even old automobiles by offering a tax deduction for donations. Although your deduction is legally capped at up to 60 percent of your adjusted gross income, excessive donation amounts could draw the IRS’ attention.

“For example, claiming that you made more than $10,000 in donations to various charities with an income of $40,000 might be a red flag,” said Raanan. Make sure you’re honest about your charitable giving and follow the tax laws and you likely won’t have a problem.

Learn: How to Know If You Can Really Write Off That Donation

7. You Claim the Earned Income Tax Credit

Eligible workers with low to moderate incomes can take the earned income tax credit. If you’re qualified to take it, be careful when you figure out the numbers. For the 2016 tax year, 8 percent of math errors on individual tax returns were attributed to the EITC deduction, according to the IRS.

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Taking the EITC might be an IRS audit trigger for other reasons, too. “The IRS has announced that those who claim the earned income tax credit are more likely to be the subject of a tax audit, as there has been an increase in the number of frivolous claims,” said Raanan.

8. You Don’t Report Your Gambling Winnings

Gambling income includes winnings from lotteries, raffles, horse races and casinos. You must report all income you receive from gambling on your income tax return, even if you don’t receive a Form W-2G documenting your winnings.

“Failure to report even recreational earnings from gambling can catch the attention of the IRS,” said Raanan. “Only professional gamblers can deduct the cost of meals, lodging and other such expenses.”

How to Prevent a Tax Audit

You can take steps to reduce your chances of being audited. “It pays to have someone review and double-check your facts and figures before submitting your tax return to the IRS,” said Raanan. “You don’t want a slight oversight like an incorrect Social Security number or a misplaced decimal to prompt an audit.”

You’ll fare much better during an audit if you’re well-organized. “The key for every taxpayer is to keep good, detailed financial records,” said Oswalt. “A good rule of thumb is to keep all tax-related documents for three years from the date a return is filed.”

You could owe additional taxes and tax audit penalties if the audit turns up errors. Getting audited doesn’t always spell disaster, but you might need tax audit help. In 2017, more than $6 billion was returned to almost 34,000 audited individuals as additional refunds, according to the IRS.

Who Gets Audited
Income Level Percentage of Returns Audited in 2016 Percentage of Returns Audited in 2017
No adjusted gross income 1.69% 2.55%
$1-$25,000 36.47% 0.71%
$25,000-$50,000 23.33% 0.49%
$50,000-$75,000 13.26% 0.48%
$75,000-$100,000 8.59% 0.45%
$100,000-$200,000 12.19% 0.47%
$200,000-$500,000 3.6% 0.7%
$500,000-$1,000,000 0.58% 1.56%
$1,000,000-$5,000,000 0.26% 3.52%
$5,000,000-$10,000,000 0.02% 7.95%
$10,000,000 or more 0.01% 14.52%

Click through to find out if you might need a tax attorney.

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Joel Anderson contributed to the reporting for this article.

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About the Author

Michael Keenan

Michael Keenan is a writer based in the Kansas City area, specializing in personal finance, taxation, and business topics. He has been writing since 2009 and has been published by Quicken, TurboTax and The Motley Fool.

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8 Reasons the IRS Could Audit You
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