A June 2026 federal watchdog report highlights a real concern for taxpayers: IRS walk-in staff gave incorrect tax-law answers in nearly half of the visits where they provided assistance. According to the Treasury Inspector General for Tax Administration (TIGTA), the error rate stood at 46%. These IRS tax advice errors involved routine domestic tax topics, which means the finding could matter to anyone whose return goes beyond the simplest cases.
What the testing found
TIGTA inspectors posed three common tax-law questions and recorded the staff responses.
- Injured-spouse refund: incorrect in 20 visits. When a foreign spouse or an ITIN is involved, Form 8379 becomes more complex.
- Sale of a main home: incorrect in 4 visits. Elements like rental periods, depreciation, or foreign home sales can affect the Section 121 exclusion.
- American Opportunity Tax Credit: incorrect in 4 visits. Income limits or foreign-earned-income exclusions (FEIE) can change what you may claim.
In total, 28 incorrect answers were reported across 61 visits where staff provided help. The report also noted that staff did not always use the internal tax-law reference tool required for these questions.
Context and implications
These questions are common for many filers, and most real-world returns are more complex than the samples tested. If basic guidance can be wrong nearly half the time, returns involving Foreign Tax Credits or FBAR (foreign bank account reporting) can introduce even more potential for error.
Here’s the important takeaway: bad IRS advice does not automatically waive penalties or interest if a return turns out incorrect. The responsibility for accuracy remains with the taxpayer, even if the information came from a staff member. That’s what makes IRS tax advice errors so costly. You can end up paying the price for someone else’s mistake.
Who could be most affected
- Filers with layered returns: home sales, education credits, self-employment income, or mixed households.
- Late filers using programs like Streamlined Filing, where a misapplied rule can derail the submission.
- Americans abroad weighing FEIE against the Foreign Tax Credit, where a quick verbal answer is not enough for a long-term decision.
What to do before you file
- Do not treat a free verbal answer as final for anything beyond basic questions. Seek confirmation in writing when possible.
- Use official channels (IRS.gov and the IRS’s phone or online options) for straightforward items like refunds or balances. Note that these routes may connect you with generalists.
- Prefer written guidance. A written answer provides documentation. A hallway conversation does not.
- For complex questions (home sales, education credits, Form 1040 reporting, or foreign income), work with a preparer who handles these issues daily. They can give you an answer you can actually build a filing on.
How Anthem Strategists can help
We give you access to CPAs and enrolled agents who specialize in complex situations, including foreign income, FBAR/FinCEN reporting, and cross-border tax planning. We offer structured, written guidance and one-on-one consultations so your filing plan stays clear and compliant. If you’re navigating a mixed domestic-foreign tax scenario, we tailor advice to your unique circumstances, helping you weigh options like FEIE versus Foreign Tax Credit with confidence.
Getting professional, documented help
For U.S. filers with straightforward needs, we offer standard federal tax return preparation. For Americans abroad, we provide guidance and services specific to expat tax situations and cross-border reporting.
The TIGTA report is a reminder that IRS tax advice errors are more common than most people assume, and that verbal answers aren’t a substitute for documented, professional advice. If you just need a clear, correct answer, book a one-on-one consultation with us to discuss your case in detail.
Need tailored guidance? We’re here to help.
