No matter how careful you are, identity thieves may be able to steal your personal information. If this happens, thieves try to turn that data quickly into cash by filing fraudulent tax returns.

The IRS, state tax agencies and the nation's tax industry ask for your help in their effort to combat identity theft and fraudulent returns. Working in partnership with you, we can make a difference.

That's why we launched a public awareness campaign called "Taxes. Security. Together." We've also started a new series of security awareness tips that can help protect you from cybercriminals.

Here are a few signs that you may be a victim of tax-related identity theft:

  1. Your attempt to file your tax return electronically is rejected. You get a message saying a return with a duplicate Social Security number has been filed. First, check to make sure you did not transpose any numbers. Also, make sure one of your dependents, for example, your college-age child, did not file a tax return and claim themselves. If your information is accurate, and you still can't successfully e-file because of a duplicate SSN, you may be a victim of identity theft. You should complete Form 14039, Identity Theft Affidavit. Attach it to the top of a paper tax return and mail to the IRS.
  2. You receive a letter from the IRS asking you to verify whether you sent a tax return bearing your name and SSN. The IRS holds suspicious tax returns and sends taxpayers letters to verify them. If you did not file the tax return, follow the instructions in the IRS letter immediately.
  3. You receive income information at tax time from an employer unknown to you. Employment-related identity theft involves the use of your SSN by someone, generally an undocumented worker, for employment purposes only.
  4. You receive a tax refund that you did not request. You may receive a paper refund check by mail that the thief intended to have sent elsewhere. If you receive a tax refund you did not request, return it to the IRS. Write "VOID" in the endorsement section, and include a note on why you are returning it. If it is a direct deposit refund that you did not request, contact your bank and ask them to return it to the IRS. Search IRS.gov for "Returning an Erroneous Refund" for more information.
  5. You receive a tax transcript by mail that you did not request. Identity thieves sometimes try to test the validity of the personal data they have chosen or they attempt to use your data to steal even more information. If you receive a tax transcript in the mail and you did not request it, be alert to the possibility of identity theft.
  6. You receive a reloadable, pre-paid debit card in the mail that you did not request. Identity thieves sometimes use your name and address to create an account for a reloadable prepaid debit card that they use for various schemes, including tax-related identity theft.

More information about tax-related identity theft can be found at Identity Protection: Prevention, Detection and Victim Assistance as well as the Taxpayer Guide to Identity Theft — all on IRS.gov.

The IRS, state tax agencies and the tax industry joined together as the Security Summit to enact a series of initiatives to help protect you from tax-related identity theft.

To learn additional steps you can take to protect your personal and financial data, visit Taxes. Security. Together. Also read Publication 4524, Security Awareness for Taxpayers.

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Upcoming Tax Dates

April 10 — Employees who work for tips
If you received $20 or more in tips during March, report them to your employer. You can use Form 4070.

April 15 — Individuals *2017 Filing Deadline: 04-17, 2018*
File a 2017 income tax return (Form 1040, 1040A, or 1040EZ) and pay any tax due. If you want an automatic 6 month extension of time to file the return, file Form 4868, Application for Automatic Extension of Time To File U.S. Individual Income Tax Return. For more information, see Form 4868. Then, file Form 1040, 1040A, or 1040EZ by 10-15.

April 15 — Corporations *2017 Filing Deadline: 04-17, 2018*
File a 2017 calendar year income tax return (Form 1120) and pay any tax due. Details

April 15 — Individuals
If you are not paying your 2018 income tax through withholding (or will not pay in enough tax during the year that way), pay the first installment of your 2018 estimated tax. Use Form 1040ES.

April 15 — Household Employers
If you paid cash wages of $2,000 or more in 2017 to a household employee, you must file Schedule H Details

April 15 — Corporations
Deposit the first installment of estimated income tax for 2017 Details

April 15 — Social security, Medicare, and withheld income tax
If the monthly deposit rule applies, deposit the tax for payments in March.

April 15 — Household employers
If you paid cash wages of $$2,000 or more in 2017 to a household employee, you must file Schedule H (Form 1040). If you are required to file a federal income tax return (Form 1040), file Schedule H (Form 1040) with the return and report any household employment taxes. Report any federal unemployment (FUTA) tax on Schedule H (Form 1040) if you paid total cash wages of $1,000 or more in any calendar quarter of 2016 or 2017 to household employees. Also, report any income tax you withheld for your household employees.

April 30 — Social security, Medicare, and withheld income tax
File Form 941 for the first quarter of 2018. Deposit or pay any undeposited tax under the accuracy of deposit rules. If your tax liability is less than $2,500, you can pay it in full with a timely filed return. If you deposited the tax for the quarter timely, properly, and in full, you have until 05-10 to file the return.

April 30 — Federal unemployment tax.
Deposit the tax owed through 03-if more than $500.

View More Tax Dates