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 tax returns are subject to scrutiny.

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 2020, just 0.63% of individual tax returns were selected for audits, or fewer than one out of every 100 returns. This is down from a sudden spike in individual tax returns that were selected for audits in 2010.1

Top IRS audit triggers

But just because the odds of being audited are small doesn’t mean that it’s impossible for you to be audited 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 be flag returns for the IRS.

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 levels continue 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.2

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 for businesses that operate primarily with cash – and almost certainly 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 almost certainly 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. In general, the IRS will expect you to report a profit for three of every five years you operate the business.

If you report your hobby 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. Keep in mind that the IRS doesn’t see the dining room table as a desk! And having a TV in the “home office” could raise exclusivity questions. Most importantly, home office deductions from a person earning wages may draw increased attention, so 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 that 21% to 26% of EITC claims are paid in error.3 Some 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 amount of money triggers an IRS audit? ›

High income

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.

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.

Is there a high low chance that one's tax return will be audited in a given year? ›

Very low. Only 0.2% of all individual income tax returns filed for the 2020 tax year faced an audit, according to the most recent data available from the IRS. That means about 1 in 500 tax returns are audited each year.

What raises red flags with the IRS? ›

Too many deductions taken are the most common self-employed audit red flags. The IRS will examine whether you are running a legitimate business and making a profit or just making a bit of money from your hobby. Be sure to keep receipts and document all expenses as it can make things a bit ore awkward if you don't.

What income level usually gets audited? ›

Audit trends vary by taxpayer income. In recent years, IRS audited taxpayers with incomes below $25,000 and those with incomes of $500,000 or more at higher-than-average rates. But, audit rates have dropped for all income levels—with audit rates decreasing the most for taxpayers with incomes of $200,000 or more.

Does a large refund trigger an audit? ›

Does a large tax refund trigger an audit? A large tax refund in itself is not a red flag. However, if the refund is a result of fraudulent claims, such as inaccurately reporting income or claiming deductions you are not actually eligible for, then it can trigger an IRS audit.

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.

What should you not say in an audit? ›

It's good to be specific, but there's a danger in words such as “everything,” “nothing,” “never,” or “always.” “You always” and “you never” can be fighting words that can distract readers into looking for exceptions to the rule rather than examining the real issue.

Can you go to jail if you get audited? ›

Jail time for tax issues is very rare, but it is possible. Prison sentences can only happen if the IRS charges you with criminal tax evasion. With most tax audits, the IRS only assesses civil fraud penalties.

How far back can the IRS audit you? ›

Generally, the IRS can include returns filed within the last three years in an audit. If we identify a substantial error, we may add additional years. 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.

Can you get audited after IRS accepts your return? ›

Most of the time, the IRS accepts tax returns as you file them. However, it selects some for an additional review or audit to determine if you reported your income, expenses, and credits accurately.

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

You can claim expenses spent on running your business without a receipts but cannot claim IRS deductions on personal costs. In an IRS audit no receipts situation, you cannot claim entertainment expenses, non-essential renovations, or charitable contributions not for your business purposes.

Is the IRS doing more audits in 2024? ›

A sign marks the Internal Revenue Service headquarters building on January 30, 2024, in Washington, DC.

What looks suspicious to the IRS? ›

4. Taking higher-than-average deductions, losses or credits. 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.

Does the IRS actually review every tax return? ›

The IRS does not check every tax return; in fact, it does not check the majority of them; however, the IRS implements methods that track certain factors that would result in a further examination or audit by them.

What makes you likely to get audited by the IRS? ›

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.

What would make the IRS audit you? ›

While the odds of an audit have been low, the IRS may flag your return for several reasons, tax experts say. Some of the common audit red flags are excessive deductions or credits, unreported income, rounded numbers and more. However, the best protection is thorough records, including receipts and documentation.

What is the 5 cash limit for tax audit? ›

Finance Act 2021: With effect from 1st April 2021, the threshold limit of Rs 5 crore is increased to Rs 10 crore in case cash transactions do not exceed 5% of the total transactions.

What flags a tax return for audit? ›

The IRS uses a combination of automated and human processes to select which tax returns to 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.

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