Does the IRS look at every tax return?

Asked by: Dr. Stevie Reilly Sr.  |  Last update: February 15, 2026
Score: 4.9/5 (19 votes)

The Bottom Line Even though the IRS does not check all tax refunds, it is a large agency with a wide reach that has a variety of means of catching tax cheats and liars. The penalties for avoiding or lying about taxes are severe.

How does the IRS check everyone's taxes?

The service centers receive taxpayer returns; service center representatives enter tax return data and check for errors. The computer matching software the IRS uses reviews the items on the return and matches the information with sources received from other parties such as an employer or third-party filer.

Does the IRS go over every tax return?

The IRS uses a computerized process specifically designed to identify irregularities in tax returns. Known as Discriminant Information Function (DIF), it scans every tax return received by the IRS.

Are all tax returns checked?

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

What raises red flags with the IRS?

Another easily avoidable audit red flag is rounding or estimating dollar amounts on your tax return. Say, for instance, you round $403 of tip income to $400, $847 of student loan interest to $850, and $97 of medical expenses to $100. The IRS is going to see all those nice round numbers and think you're making them up.

Former IRS Agent Discloses What To Do If You Have Years Of Unfiled Back Tax Returns, NOT TO WORRY

15 related questions found

What income is most likely to get audited?

If you make over $500,000 per year, your audit likelihood is greater than the likelihood for the general population. As shown in the chart above, 0.7% of filers who earned between $500,000 and $1,000,000 were audited.

Does IRS always catch unreported income?

The IRS will always discover when you're not reporting your income, whether it's immediate or years from now. You'll know when the IRS thinks you've made a mistake in your reporting by receiving a letter in the mail either stating that you're being audited or you owe.

Does IRS check every refund?

The Bottom Line. Even though the IRS does not check all tax refunds, it is a large agency with a wide reach that has a variety of means of catching tax cheats and liars. The penalties for avoiding or lying about taxes are severe.

How much income can go unreported?

For the 2022 tax year, the gross income threshold for filing taxes varies depending on your age, filing status, and dependents. Generally, the threshold ranges between $12,550 and $28,500. If your income falls below these amounts, you may not be required to file a tax return.

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.

Who gets audited 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.

How does the IRS verify tax returns?

The IRS conducts audits either by mail or through an in-person interview to review your records. The interview may be at an IRS office (office audit) or at the taxpayer's home, place of business, or accountant's/representative's office (field audit). Remember, you will be contacted initially by mail.

Does the IRS always take your refund?

The IRS can hold your current-year refund if it thinks you made an error on your current-year return, or if the IRS is auditing you or finds a discrepancy on a filed return from the past. If the IRS thinks you made an error on your return, the IRS can change your refund.

What will trigger an IRS audit?

Taxable income that is not reported on your tax return is likely to trigger an IRS audit. Common kinds of unreported income include: Income from a hobby or side hustle. Freelance income.

Does the IRS watch your bank account?

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.

Does someone look at every tax return?

A series of 20 computer models run on every tax return, with flags raised on data that looks suspicious. Wrong or missing information on your return can, at best, lead to delays in your refund. However, it's not uncommon for the ATO to order a tax audit on your affairs for other years too.

What happens if you accidentally don't report income?

An accuracy-related penalty applies if you underpay the tax required to be shown on your return. Underpayment may happen if you don't report all your income or you claim deductions or credits for which you don't qualify.

Do people get away with not filing taxes?

First, there's no such thing as “getting away” with not filing taxes.

How common is tax evasion?

About one out of every six dollars owed in federal taxes is not paid. The amount of unpaid taxes every year is plausibly about three-quarters the size of the entire annual federal budget deficit.

What are the IRS red flags?

Overestimating home office expenses and charitable contributions are red flags to auditors. Simple math mistakes and failing to sign a tax return can trigger an audit and incur penalties.

How does IRS catch unreported income?

The IRS receives information from third parties, such as employers and financial institutions. Using an automated system, the Automated Underreporter (AUR) function compares the information reported by third parties to the information reported on your return to identify potential discrepancies.

What triggers an IRS criminal investigation?

The IRS may pursue criminal charges if they suspect fraudulent returns. Criminal conduct refers to any act that violates tax laws and regulations. If the IRS determines that there is enough evidence to warrant criminal action, they will refer the case to the Department of Justice for prosecution.

Will I go to jail for claiming exempt?

Is filing as exempt illegal? No, filing as exempt is not illegal – however you must meet a series of criteria in order to file exempt status on your Form W-4. Also, even if you qualify for an exemption, your employer will still withhold for Social Security and Medicare taxes.

How does the IRS verify income?

Most businesses and organizations are required to file “information returns” with the IRS, — IRS Forms W-2, IRS Forms 1099, and others — when they “pay” you. The IRS matches the information on these information returns to your tax return. If they do not match, you will get a notice asking about the difference.