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17 Reasons the IRS Will Audit Your Tax Return

Joy Taylor, Assistant Editor, The Kiplinger Tax Letter


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Ever wonder why some tax returns are eyeballed by the Internal Revenue Service while most are ignored? Short on personnel and funding, the IRS audited only 0.70% of all individual tax returns in 2016. So the odds are pretty low that your return will be singled out for review. And, of course, the only reason filers should worry about an audit is if they are fudging on their taxes.

That said, your chances of being audited or otherwise hearing from the IRS escalate depending on various factors, including your income level, the types of deductions or losses you claim, the business you're engaged in, and whether you own foreign assets. Math errors may draw IRS inquiry, but they'll rarely lead to a full-blown exam. Although there's no sure way to avoid an IRS audit, these 17 red flags could increase your chances of unwanted attention from the IRS.

SEE ALSO: The Most-Overlooked Tax Deductions

Making a Lot of Money


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Although the overall individual audit rate is only about one in 143 returns, the odds increase dramatically as your income goes up. IRS statistics for 2016 show that people with an income of $200,000 or higher had an audit rate of 1.70%, or one out of every 59 returns. Report $1 million or more of income? There's a one-in-17 chance your return will be audited. The audit rate drops significantly for filers making less than $200,000: Only 0.65% (one out of 154) of such returns were audited during 2016, and the vast majority of these exams were conducted by mail.

We're not saying you should try to make less money -- everyone wants to be a millionaire. Just understand that the more income shown on your return, the more likely it is that you'll be hearing from the IRS.

SEE ALSO: Smart Ways to Lower Your Taxable Income

Failing to Report All Taxable Income



The IRS gets copies of all of the 1099s and W-2s you receive, so be sure you report all required income on your return. IRS computers are pretty good at matching the numbers on the forms with the income shown on your return. A mismatch sends up a red flag and causes the IRS computers to spit out a bill. If you receive a 1099 showing income that isn't yours or listing incorrect income, get the issuer to file a correct form with the IRS.

SEE ALSO: 9 Surprising Things That Are Taxable

Taking Higher-than-Average Deductions


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If the deductions on your return are disproportionately large compared with your income, the IRS may pull your return for review. But if you have the proper documentation for your deduction, don't be afraid to claim it. There's no reason to ever pay the IRS more tax than you actually owe.

SEE ALSO: Mortgage Deductions May Get Extra Scrutiny

Running a Small Business


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Schedule C is a treasure trove of tax deductions for self-employed people. But it's also a gold mine for IRS agents, who know from experience that self-employed people sometimes claim excessive deductions and don't report all of their income. The IRS looks at both higher-grossing sole proprietorships and smaller ones.

Special scrutiny is also given to cash-intensive businesses (taxis, car washes, bars, hair salons, restaurants and the like) as well as to small business owners who report a substantial net loss on Schedule C.

Other small businesses also face extra audit heat, as the IRS shifts its focus away from auditing regular corporations. The agency thinks it can get more bang for its audit buck by examining S corporations, partnerships and limited liability companies. So it's spending more resources on training examiners about issues commonly encountered with pass-through firms.

SEE ALSO: 8 Ways a Side Hustle Can Advance Your Career

Taking Large Charitable Deductions


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We all know that charitable contributions are a great write-off and help you feel all warm and fuzzy inside. However, if your charitable deductions are disproportionately large compared with your income, it raises a red flag.

That's because the IRS knows what the average charitable donation is for folks at your income level. Also, if you don't get an appraisal for donations of valuable property, or if you fail to file Form 8283 for noncash donations over $500, you become an even bigger audit target. And if you've donated a conservation or façade easement to a charity, chances are good that you'll hear from the IRS. Be sure to keep all of your supporting documents, including receipts for cash and property contributions made during the year.

SEE ALSO: How to Properly Claim Deductions for Noncash Donations

Claiming Rental Losses


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Normally, the passive loss rules prevent the deduction of rental real estate losses. But there are two important exceptions. If you actively participate in the renting of your property, you can deduct up to $25,000 of loss against your other income. This $25,000 allowance phases out as adjusted gross income exceeds $100,000 and disappears entirely once your AGI reaches $150,000. A second exception applies to real estate professionals who spend more than 50% of their working hours and over 750 hours each year materially participating in real estate as developers, brokers, landlords or the like. They can write off losses without limitation.

The IRS actively scrutinizes rental real estate losses, especially those written off by taxpayers claiming to be real estate pros. It's pulling returns of individuals who claim they are real estate professionals and whose W-2 forms or other non-real estate Schedule C businesses show lots of income. Agents are checking to see whether these filers worked the necessary hours, especially in cases of landlords whose day jobs are not in the real estate business. The IRS started its real estate professional audit project several years ago, and this successful program continues to bear fruit.

SEE ALSO: I'm a Landlord. Can I Ever Truly Retire?

Taking an Alimony Deduction


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Alimony paid by cash or check is deductible by the payer and taxable to the recipient, provided certain requirements are met. For instance, the payments must be made under a divorce or separate maintenance decree or written separation agreement. The document can't say the payment isn't alimony. And the payer's liability for the payments must end when the former spouse dies. You'd be surprised how many divorce decrees run afoul of this rule.

Alimony doesn't include child support or noncash property settlements. The rules on deducting alimony are complicated, and the IRS knows that some filers who claim this write-off don't satisfy the requirements. It also wants to make sure that both the payer and the recipient properly reported alimony on their respective returns. A mismatch in reporting by ex-spouses will almost certainly trigger an audit.

SEE ALSO: Tax Breaks the Middle Class Can Claim

Writing Off a Loss for a Hobby


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You must report any income you earn from a hobby, and you can deduct expenses up to the level of that income. But the law bans writing off losses from a hobby. To be eligible to deduct a loss, you must be running the activity in a business-like manner and have a reasonable expectation of making a profit. If your activity generates profit three out of every five years (or two out of seven years for horse breeding), the law presumes that you're in business to make a profit, unless the IRS establishes otherwise. Be sure to keep supporting documents for all expenses.

SEE ALSO: Nice-Try Tax Breaks Rejected by the IRS

Deducting Business Meals, Travel and Entertainment


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Big deductions for meals, travel and entertainment are always ripe for audit, whether taken on Schedule C by business owners or on Schedule A by employees.

A large write-off will set off alarm bells, especially if the amount seems too high for the business or profession. Agents are on the lookout for personal meals or claims that don't satisfy the strict substantiation rules. To qualify for meal or entertainment deductions, you must keep detailed records that document for each expense the amount, place, people attending, business purpose, and nature of the discussion or meeting. Also, you must keep receipts for expenditures over $75 or for any expense for lodging while traveling away from home. Without proper documentation, your deduction is toast

SEE ALSO: Least Tax-Friendly States in the U.S.

Failing to Report a Foreign Bank Account


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The IRS is intensely interested in people with money stashed outside the U.S., especially in countries with the reputation of being tax havens, and U.S. authorities have had lots of success getting foreign banks to disclose account information. The IRS also uses voluntary compliance programs to encourage folks with undisclosed foreign accounts to come clean -- in exchange for reduced penalties. The IRS has learned a lot from these amnesty programs and has been collecting a boatload of money (we're talking billions of dollars). It's scrutinizing information from amnesty seekers and is targeting the banks they used to get names of even more U.S. owners of foreign accounts.

Failure to report a foreign bank account can lead to severe penalties. Make sure that if you have any such accounts, you properly report them. This means electronically filing FinCEN Form 114 by April 15 to report foreign accounts that combined total more than $10,000 at any time during the previous year. And taxpayers with a lot more financial assets abroad may also have to attach IRS Form 8938 to their timely filed tax returns.

SEE ALSO: 5 Countries That Welcome American Retirees

Claiming 100% Business Use of a Vehicle


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When you depreciate a car, you have to list on Form 4562 the percentage of its use during the year was for business. Claiming 100% business use of an automobile is red meat for IRS agents. They know that it's rare for someone to actually use a vehicle 100% of the time for business, especially if no other vehicle is available for personal use.

The IRS also targets heavy SUVs and large trucks used for business, especially those bought late in the year. That's because these vehicles are eligible for favorable depreciation and expensing write-offs. Be sure you keep detailed mileage logs and precise calendar entries for the purpose of every road trip. Sloppy recordkeeping makes it easy for a revenue agent to disallow your deduction.

As a reminder, if you use the IRS's standard mileage rate, you can't also claim actual expenses for maintenance, insurance and the like. The IRS has seen such shenanigans and is on the lookout for more.

SEE ALSO: How to Get a Great Deal on a Car Lease

Taking an Early Payout from an IRA or 401(k) Account


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The IRS wants to be sure that owners of traditional IRAs and participants in 401(k)s and other workplace retirement plans are properly reporting and paying tax on distributions. Special attention is being given to payouts before age 59½, which, unless an exception applies, are subject to a 10% penalty on top of the regular income tax. An IRS sampling found that nearly 40% of individuals scrutinized made errors on their income tax returns with respect to retirement payouts, with most of the mistakes coming from taxpayers who didn't qualify for an exception to the 10% additional tax on early distributions. So the IRS will be looking at this issue closely.

The IRS has a chart listing withdrawals taken before the age of 59½ that escape the 10% penalty, such as payouts made to cover very large medical costs, total and permanent disability of the account owner, or a series of substantially equal payments that run for five years or until age 59½, whichever is later.

QUIZ: Test Your Retirement IQ

Claiming Day-Trading Losses on Schedule C


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People who trade in securities have significant tax advantages compared with investors. The expenses of traders are fully deductible and are reported on Schedule C (investors report their expenses as a miscellaneous itemized deduction on Schedule A, subject to an offset of 2% of adjusted gross income), and traders' profits are exempt from self-employment tax. Losses of traders who make a special section 475(f) election are fully deductible and are treated as ordinary losses that aren't subject to the $3,000 cap on capital losses. And there are other tax benefits.

But to qualify as a trader, you must buy and sell securities frequently and look to make money on short-term swings in prices. And the trading activities must be continuous. This is different from an investor, who profits mainly on long-term appreciation and dividends. Investors hold their securities for longer periods and sell much less often than traders.

The IRS knows that many filers who report trading losses or expenses on Schedule C are actually investors. So it's pulling returns and checking to see that the taxpayer meets all of the rules to qualify as a bona fide trader.

SEE ALSO: Time the Stock Market at Your Peril

Failing to Report Gambling Winnings or Claiming Big Gambling Losses


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Whether you're playing the slots or betting on the horses, one sure thing you can count on is that Uncle Sam wants his cut. Recreational gamblers must report winnings as other income on the front page of the 1040 form. Professional gamblers show their winnings on Schedule C. Failure to report gambling winnings can draw IRS attention, especially if the casino or other venue reported the amounts on Form W-2G.

Claiming large gambling losses can also be risky. You can deduct these only to the extent that you report gambling winnings (and recreational gamblers must also itemize). But the costs of lodging, meals and other gambling-related expenses can only be written off by professional gamblers. The IRS is looking at returns of filers who report large miscellaneous deductions on Schedule A Line 28 from recreational gambling, but aren't including the winnings in income. Also, taxpayers who report large losses from their gambling-related activity on Schedule C get extra scrutiny from IRS examiners, who want to make sure these folks really are gaming for a living.

QUIZ: Is It Taxable?

Claiming the Home Office Deduction


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The IRS is drawn to returns that claim home office write-offs because it has historically found success knocking down the deduction. Your audit risk increases if the deduction is taken on a return that reports a Schedule C loss and/or shows income from wages. If you qualify for these savings, you can deduct a percentage of your rent, real estate taxes, utilities, phone bills, insurance and other costs that are properly allocated to the home office. That's a great deal.

Alternatively, you have a simplified option for claiming this deduction: The write-off can be based on a standard rate of $5 per square foot of space used for business, with a maximum deduction of $1,500.

To take advantage of this tax benefit, you must use the space exclusively and regularly as your principal place of business. That makes it difficult to successfully claim a guest bedroom or children's playroom as a home office, even if you also use the space to do your work. "Exclusive use" means that a specific area of the home is used only for trade or business, not also for the family to watch TV at night.

SEE ALSO: Tax Forms That Can Accidentally Increase Your Tax Bill

Engaging in Currency Transactions


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The IRS gets many reports of cash transactions in excess of $10,000 involving banks, casinos, car dealers and other businesses, plus suspicious-activity reports from banks and disclosures of foreign accounts. So if you make large cash purchases or deposits, be prepared for IRS scrutiny. Also, be aware that banks and other institutions file reports on suspicious activities that appear to avoid the currency transaction rules (such as a person depositing $9,500 in cash one day and an additional $9,500 in cash two days later).

SEE ALSO: Guide to 7 Top Tax Software Programs, 2017

Claiming the Foreign Earned Income Exclusion


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U.S. citizens who work overseas can exclude on 2016 returns up to $101,300 of their income earned abroad if they were bona fide residents of another country for the entire year or they were outside of the U.S. for at least 330 complete days in a 12-month span. Additionally, the taxpayer must have a tax home in the foreign country. The tax break doesn't apply to amounts paid by the U.S. or one of its agencies to its employees who work abroad.

IRS agents actively sniff out people who are erroneously taking this break, and the issue keeps coming up in disputes before the Tax Court. Among the areas of IRS focus: filers with minimal ties to the foreign country they work in and who keep an abode in the U.S.; flight attendants and pilots; and employees of U.S. government agencies who mistakenly claim the exclusion when they are working overseas.

SEE ALSO: States With the Scariest Death Taxes

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