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When Does the IRS Typically Start Audits After You File Your Taxes?


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Tax season is a stressful time for many Americans, as they navigate the complexities of tax codes and strive to ensure they've accurately reported their income and deductions. Once you've filed your tax return, you can't help but wonder what happens next. Do you need to watch your back for an audit notice from the IRS? It's a valid concern, and understanding the typical timeline for IRS audits can provide some peace of mind.

While I'm not a tax advisor, and it's crucial to consult with a qualified professional for personalized advice, I can shed some light on the common practices and timelines regarding IRS audits. In this blog post, we'll explore the statute of limitations on audits, the factors that trigger audits, and when audits typically occur.

Understanding the Statute of Limitations

The statute of limitations on audits refers to the time period during which the IRS can initiate an audit after you've filed your tax return. As you mentioned, this period generally extends to three years from the date you file your return. However, there are exceptions to this rule, such as when the IRS suspects significant underreporting of income or fraud, which can extend the statute of limitations to six years or more.

The IRS Audit Selection Process

To predict when an audit might occur, it's essential to understand how the IRS selects tax returns for examination. The IRS uses a sophisticated computerized system to screen tax returns for inconsistencies and red flags. Some common triggers for audits include:

  1. Unreported income: If you fail to report a significant portion of your income, whether intentionally or inadvertently, it raises a red flag. The IRS cross-references your reported income with information received from employers, banks, and other sources.
  2. High deduction-to-income ratio: If your deductions seem disproportionately high compared to your reported income, you might attract the IRS's attention. This can be a sign of inflated or fraudulent deductions.
  3. Business losses: Small businesses and self-employed individuals sometimes face audits when they report consistent business losses. The IRS may suspect that the business is a hobby rather than a legitimate income source.
  4. Home office deductions: Claiming home office deductions can increase your audit risk, as these deductions are often scrutinized closely. Ensure you meet the IRS's strict criteria for these deductions.
  5. Large charitable contributions: Generosity is admirable, but substantial charitable contributions may lead to an audit if they appear disproportionate to your income.

Timing of Audits

Now, let's dive into the timing of audits. While the IRS aims to open and close audits within 26 months, the actual timeline can vary significantly. The timing of an audit can depend on several factors, including the complexity of your return, the availability of IRS resources, and the type of audit being conducted.

  1. Correspondence Audits: These are relatively common and often occur within a year of filing your return. The IRS will send a letter requesting specific documentation or clarification on certain items. These audits typically don't require an in-person meeting.
  2. Field Audits: If your tax return is subject to a field audit, it may take longer to initiate. These audits are more thorough and can involve an in-person meeting with an IRS agent. The process may take more time to complete.
  3. Random Audits: Some audits are selected entirely at random, and there's no specific timing associated with these. They can happen at any time.

The Timing of the Year

As for the timing of the year, there is no specific season when audits are more common. Audits are conducted throughout the year, and the IRS's schedule can vary depending on their workload and priorities. However, it's worth noting that the IRS generally has a limited window to initiate audits after the statute of limitations expires, so it's in their interest to start audits promptly.


While there is a general statute of limitations on audits, the actual timing of an audit can vary based on several factors, including the complexity of your return and potential audit triggers. The IRS typically tries to complete audits within 26 months, but this timeline can vary. To gain a more accurate understanding of when audits may occur for your specific situation, it's essential to consult with a qualified tax advisor or professional. They can provide personalized guidance and ensure you are prepared in the event of an audit. Remember, it's always wise to maintain accurate records, report your income honestly, and seek professional advice to navigate the intricacies of the tax system.