Filing taxes is stressful enough without the added worry of errors that could delay your refund or trigger an audit. Every year, millions of taxpayers make tax filing mistakes that are completely avoidable with a little extra care. Here are the 10 most common ones — and how to steer clear of them.
1. Entering the Wrong Social Security Number
A single incorrect digit in your Social Security Number can cause the IRS to reject your return entirely. Always double-check this number against your official card.
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2. Choosing the Wrong Filing Status
Your filing status affects your tax bracket, standard deduction, and eligibility for credits. Many taxpayers pick the wrong one simply because they weren’t aware of alternatives like Head of Household.
3. Math Errors
Even with tax software doing the calculations, manual data entry errors — like transposing numbers from a W-2 — remain one of the most common tax filing mistakes.
4. Missing or Incorrect Bank Information
If you’re expecting a direct deposit refund, an incorrect routing or account number can significantly delay your payment.
5. Forgetting to Report All Income
Freelance work, side gigs, and investment income all need to be reported, even if you didn’t receive a formal tax form for them.
6. Overlooking Deductions and Credits
Many taxpayers leave money on the table by not claiming deductions or credits they qualify for, such as education credits or retirement contribution deductions.
7. Missing the Filing Deadline
Late filing can result in penalties and interest, even if you don’t owe additional tax. If you need more time, file for an extension rather than missing the deadline outright.
8. Not Signing the Return
It sounds simple, but an unsigned tax return is considered invalid by the IRS and will be sent back.
9. Failing to Keep Copies of Your Return
Without a copy of your filed return, resolving future disputes or applying for loans that require tax records becomes much harder.
10. Ignoring IRS Notices
If the IRS flags an issue, ignoring the notice will not make it go away. Responding promptly can prevent penalties from accumulating.
Final Thoughts Avoiding these common tax filing mistakes comes down to slowing down, double-checking your entries, and keeping organized records throughout the year. When in doubt, a qualified tax professional can help you file with confidence.
FAQs
1. What is the most common tax filing mistake?
Simple errors like incorrect Social Security numbers and math mistakes from manual data entry are among the most frequent tax filing mistakes.
2. Can a tax filing mistake trigger an audit?
Yes, certain errors, such as unreported income or inconsistent figures, can increase the chances of an IRS audit.
3. What happens if I file my taxes late?
Filing late without an extension can result in a failure-to-file penalty, plus interest on any unpaid balance.
4. Can I fix a mistake after I’ve already filed?
Yes, you can file an amended return to correct errors on a previously submitted tax return.