Knowing how to avoid IRS audit red flags starts with something simple: filing an accurate, complete and well-documented tax return.
No strategy can guarantee that the IRS will never select a return for examination. In fact, the IRS uses several selection methods, including computerized screening and random selection. However, taxpayers can reduce preventable problems by reporting income correctly, claiming only eligible deductions and credits, and keeping supporting records.
Careful preparation also helps prevent processing delays and IRS notices. Therefore, reviewing your information before filing is one of the most important steps you can take.
ACCURATE TAX FILING
An IRS Audit Does Not Automatically Mean Something Is Wrong
The IRS examines some tax returns to determine whether taxpayers reported income, expenses and credits correctly. However, selection for an audit does not automatically mean the taxpayer made a mistake.
For example, the IRS can use computerized screening when selecting returns. Information reported by employers, financial institutions and other third parties can also play a role when amounts do not match a tax return.
As a result, the best approach is not trying to find a trick that prevents an audit. Instead, focus on filing an accurate return that you can support with appropriate records.
THE KEY PRINCIPLE
Accuracy first.
Report income completely and support the deductions and credits you claim.
Good records can make tax preparation easier and help you respond if the IRS later asks for documentation.
COMMON PROBLEMS
Tax Return Issues Worth Checking Carefully
Many filing problems come from incomplete or inaccurate information rather than something complicated.
Consequently, a careful review before filing can prevent avoidable errors.
01
Missing or Incorrect Income
Start by comparing the income on your return with Forms W-2, 1099 and other tax documents. In addition, remember that taxable income may still require reporting even when you do not receive an information form.
02
Incorrect Filing Information
Names, Social Security numbers, filing status and dependent information should be accurate. Even relatively simple mistakes can cause a return to reject or create processing problems.
03
Unsupported Deductions or Credits
Tax deductions and credits have eligibility requirements. Therefore, taxpayers should claim benefits only when they qualify and maintain the records needed to support the amounts on the return.
REPORTING INCOME
Make Sure Your Income Records Match
Income reporting deserves particular attention because the IRS receives information from employers, financial institutions and other third parties.
Gather Tax Documents Before Filing
Before preparing your return, gather the Forms W-2, 1099 and other reporting documents that apply to you. Filing too early can create problems if important information has not arrived yet.
Next, compare those documents with your own records. This step becomes especially important when you have multiple employers, investment accounts, freelance clients or other income sources.
If a tax document appears incorrect, investigate the discrepancy instead of simply ignoring the form.
Do Not Rely Only on Forms
A taxpayer may have reportable income even when no information form arrives. For example, independent work or other taxable activity may still belong on the return.
Therefore, your own bookkeeping and financial records remain important. Accurate records help create a more complete picture of income than tax documents alone.
For self-employed taxpayers, our guide to reporting freelance and gig economy income explains this issue in greater detail.
DEDUCTIONS & CREDITS
Claim Tax Benefits You Can Support
Deductions and credits can legitimately reduce a tax bill when a taxpayer meets the applicable requirements. However, claiming a benefit requires more than simply entering an amount on the return.
First, determine whether you qualify under the applicable tax rules. Then, calculate the amount correctly and keep documentation that supports the claim.
For business expenses, records may include receipts, invoices, mileage information and other documentation showing the business purpose of the expense. Similarly, personal tax credits can have their own eligibility and documentation requirements.
Most importantly, avoid changing legitimate deductions simply because you fear an audit. The goal is an accurate return, not an artificially high or low tax bill.
DOCUMENTATION
Keep Records That Support Your Return
Good documentation can help explain how you prepared the amounts reported on your tax return.
For example, keep applicable income documents, receipts, expense records and other supporting information.
The IRS generally advises taxpayers to keep records used to prepare a return for at least three years from the filing date, although some situations require longer retention.
BEFORE YOU FILE
Review Your Return Before Submitting It
A final review can catch mistakes before they become tax notices, rejected returns or processing delays.
Moreover, taxpayers remain responsible for the information on their returns even when someone else prepares them.
Verify Personal Information
First, check names, Social Security numbers, filing status, dependent information, addresses and other identifying details.
Compare Income
Next, compare the return with your Forms W-2, 1099 and other income records. Resolve unexpected differences before filing whenever possible.
Review Deductions and Credits
Additionally, make sure you understand the deductions and credits on the return. Keep the documents that support your eligibility and calculations.
Consider Electronic Filing
Finally, electronic filing can identify certain common errors before the IRS accepts the return. Consequently, correcting an e-file rejection promptly can help prevent additional delays.
TAX PREPARATION
Choose Your Tax Preparer Carefully
A tax professional can help prepare a return, but taxpayers should still understand and review the information before signing.
Look for a Responsible Preparer
Paid federal tax return preparers must have a valid Preparer Tax Identification Number, or PTIN. In addition, a paid preparer should sign the return and include the required identifying information.
A responsible preparer should ask questions when information is unclear. Likewise, the preparer may request records that support income, deductions or credits.
Be cautious of anyone who encourages false information or promises an unusually large refund without reviewing your actual tax situation.
Review Before You Sign
Never sign a blank tax return. Instead, review the completed return and ask questions about items you do not understand.
Furthermore, make sure the refund or balance due makes sense based on the information you provided. Keep a copy of the completed return and related documents for your records.
For more information, see the IRS guidance for choosing a tax return preparer.
IF THE IRS CONTACTS YOU
Do Not Ignore an IRS Audit Notice
Even a carefully prepared return can receive additional IRS review. Therefore, receiving an audit notice does not automatically mean that you filed incorrectly.
The important next step is understanding what the IRS is requesting and responding appropriately.
Read the Notice Carefully
Start by identifying the tax year, items under review, response deadline and documents the IRS wants to see.
Gather Supporting Records
Then, organize the documents that relate to the issues under examination. Avoid sending unrelated records unless the IRS requests them.
Respond by the Deadline
Finally, follow the instructions in the notice and keep proof of your response. If the situation is unclear or complex, professional assistance may help you understand the next steps.
ASB Tax & Accounting also provides tax resolution services for taxpayers who need assistance addressing tax problems.
COMMON QUESTIONS
FAQ About IRS Audits and Filing Correctly
These answers address several common questions taxpayers have about accurate filing and IRS examinations.
No method can guarantee that the IRS will never select a return for examination. The IRS uses several selection methods, including computerized screening and random selection. Therefore, the better goal is to file accurately and maintain supporting records.
No. Selection for examination does not automatically mean the taxpayer made an error or acted improperly. An examination reviews whether the return reports income, expenses and credits correctly.
Yes, differences between third-party information and amounts on a tax return can lead to questions or additional review. Consequently, taxpayers should compare their forms and records before filing.
The IRS generally advises taxpayers to keep records used to prepare a return for at least three years from the filing date. However, certain tax situations can require longer record retention.
Yes. Taxpayers remain responsible for the information reported on their returns. Therefore, review the completed return, ask questions and keep a copy of the final filing.
Want Help Filing Your Tax Return Correctly?
Accurate tax preparation involves more than entering numbers into a form. Income, deductions, credits, filing status and supporting documentation all need careful review.
ASB Tax & Accounting provides tax preparation and accounting assistance for individuals, families and businesses in Oxnard and surrounding Ventura County communities.
In addition, assistance is available in English and Spanish.
Last reviewed: September 2026. Tax rules and individual circumstances can change. Therefore, this article provides general information and does not replace individualized tax advice.
