Does IRS track income?
Sarah Garza
Updated on April 02, 2026
Information statement matching: The IRS receives copies of income-reporting statements (such as forms 1099, W-2, K-1, etc.) sent to you. It then uses automated computer programs to match this information to your individual tax return to ensure the income reported on these statements is reported on your tax return.
Does the IRS catch unreported income?
Unreported income: If you fail to report income the IRS will catch this through their matching process. If the IRS notices that a third party reported that they paid you income but you don’t have that income reported on your return this immediately lifts a red flag.
How does IRS know your income?
In most cases, your information gets red flagged by a system called the Information Returns Processing system (IRP). This is a huge database that reviews the earnings you report (or don’t report). It compares your stated income to the information third parties provide.
What income gets reported to IRS?
Federal law requires a person to report cash transactions of more than $10,000 to the IRS.
When does the IRS start tracking your tax return?
Taxpayers can start checking on the status of their return within 24 hours after the IRS acknowledges receipt of an electronically filed return or four weeks after the taxpayer mails a paper return. The tool’s tracker displays progress in three phases:
How does the IRS find out about unreported income?
The IRS must calculate an estimate of your tax liability because they must include the amount due in the notice they send. They are required to give you certain information by law. When assessing the approximate amount you owe, the IRS either adjusts your return or files a return on your behalf, called a Substitute for Tax Return.
How does the IRS know about your income?
Website and e-commerce activity: If you have a business that conducts transactions online, this leaves a trail of clues about your sources of income that the IRS loves to look at. Your businesses website will provide insight as to the products you sell, types of payment accepted and the quarterly and annual amounts of income garnered.
How can I track the status of my tax refund?
COVID Tax Tip 2021-39, March 30, 2021 Tracking the status of a tax refund is easy with the Where’s My Refund? tool. It’s conveniently accessible at IRS.gov or through the IRS2Go App. Taxpayers can start checking their refund status within 24 hours after an e-filed return is received.