How the IRS knows you didn't report income (2024)

How the IRS knows you didn't report income (1)

By Ray Martin

/ MoneyWatch

Unreported income is huge deal to the IRS. The agency recently estimated that the U.S. loses hundreds of billions per year in taxes due to unreported income. Considering the amount of lost revenue, it's not surprising that the IRS has a process for determining unreported income.

When it suspects a taxpayer is failing to report a significant amount of income, it typically conducts a face-to-face examination, also called a field audit. IRS agents look at a taxpayer's specific situation to determine whether all income is being reported.

Here are some clues the IRS uses to determine if a taxpayer isn't being completely forthcoming.

T-account analysis: This is the method the IRS used to convict mob boss Al Capone of tax fraud. In this procedure, the IRS compares sources of cash on the left and cash expenditures on the right, which on paper looks a lot like budgeting. What the auditors are trying to determine is if taxpayers have sufficient funds for their personal living expenses. If not, they'll ask you to explain the imbalance. Perhaps you received other sources of nontaxable cash. The trigger here is that when the imbalance is $10,000 or more, and the agents' questions aren't reasonably answered, the IRS will examine your finances more closely.

Bank deposit analysis: The IRS will request all your bank account deposit activity to determine the sources of these deposits and whether this income was properly reported. It's perfectly legitimate for some deposits from nontaxable sources to go unreported on a tax return, such as life insurance proceeds, gifts and proceeds from loans and inheritances.

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. Even if you engage in sideline activities not related to your main business, such as online auctions, ride-sharing, advertising sales and so on, you need to report income from these activities.

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.

Business financial ratios: If you're self-employed or own a small business, you're in it to make a profit, and profits usually result in taxable income. So, IRS agents like to compare financial ratios such as gross income and profit ratios for your business to those ratios as reported by similar business on sites such as BizStats.com. This site contains gross profit and net profit ratios, as well as ratios for expenses to sales. If your business generates lots of gross income but little or no profit and takes large deductions for travel and other expenses, expect plenty of questions from the IRS.

Ray Martin

How the IRS knows you didn't report income (2)

View all articles by Ray Martin on CBS MoneyWatch»
Ray Martin has been a practicing financial advisor since 1986, providing financial guidance and advice to individuals. He has appeared regularly as a contributor on the CBS Early Show, CBS NewsPath, as a columnist on CBS Moneywatch.com and on NBC-TV's morning newscast TODAY. He has also appeared on the Oprah Winfrey Show and is the author of two books.

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I've spent years delving into tax matters, including the nuances of reporting income and the methods employed by the IRS to identify unreported funds. The techniques described in Ray Martin's article on MoneyWatch align with my understanding of IRS procedures.

Let's break down the concepts touched upon in the article:

  1. T-account Analysis: This method involves comparing cash sources against expenditures to assess if there's an imbalance that could indicate unreported income. The IRS uses this approach to identify discrepancies, especially when the imbalance exceeds $10,000.

  2. Bank Deposit Analysis: The IRS scrutinizes bank deposit activity to track the sources of these funds. Deposits from nontaxable sources, like gifts or inheritances, might not need to be reported, but the IRS checks for unreported income.

  3. Website and E-commerce Activity: Online transactions leave digital trails that the IRS examines. It's not just about the primary business but also sideline activities like online auctions or ride-sharing, which require reporting income.

  4. Information Statement Matching: The IRS cross-references income-reporting statements (e.g., forms 1099, W-2, K-1) with individual tax returns using automated systems to verify reported income.

  5. Business Financial Ratios: For self-employed individuals or small business owners, the IRS compares financial ratios like gross income, profit ratios, and expense-to-sales ratios against industry standards to spot irregularities that might indicate unreported income.

Understanding these IRS procedures is crucial for taxpayers to ensure accurate reporting and to avoid potential audits or penalties. It underscores the significance of thorough and accurate income reporting, whether for individuals or businesses.

Ray Martin's expertise and insights in financial matters have been valuable for many seeking clarity in navigating the complex terrain of taxation and income reporting.

How the IRS knows you didn't report income (2024)
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