Every year, millions of people don't file their taxes. For example, a single person with three or more children could qualify for the EITC if they made less than $46,997.
With tax-filing season now upon us, there's another kind of identity theft you should be watching out for: tax identity theft.
The victim was given a case number and a telephone number to call to return the refund.
"You can't necessarily monitor tax ID fraud, because of the fact that so much of our information is out there", says Greg McBride, Chief Financial Analyst at Bankrate.com.
And be wary of high interest rates if you are offered a loan in advance of your refund, the governor said.
And always have your refund deposited into your own bank account - never into the preparer's bank account or onto a pre-paid card or gift card, the governor said.
The scam starts when cyber criminals steal client data from tax professionals.
News reports have featured a number of stories highlighting the different ways that thieves have stolen personal information from victims and used it to commit tax identity theft.
Failing to file federal returns also varies greatly by state.
If federal income tax return were not filed, the law provides most taxpayers with a three-year window of opportunity to claim their tax refunds.
To collect the money, these taxpayers must file their 2014 tax return with the IRS no later than this year's tax deadline, Tuesday, April 17.
If you cannot reach a family member or are unsure of what to do in the instance of a potentially fraudulent phone call, you can call the Bureau of Consumer Protection at 800-422-7128 or your local police nonemergency line.
It's the same deadline facing one million procrastinating taxpayers at risk of forfeiting old income tax refund money they never claimed.
Don't reply to any emails, texts or social media messages asking for your personal information.
When owners haven't set aside enough money to cover what they owe the government, they do have options, including using savings, borrowing money or working out a payment plan with the IRS. "If you have any doubts about who's contacting you then don't be bullied into taking immediate action".