7 most common tax mistakes

Don't delay your refund by making these common mistakes on your tax return.

Wrong Social Security number

tax mistakes ssn

While you should have your own Social Security number memorized by now, taxpayers often enter the wrong numbers for their children or other family members.

If you're unsure of a number, get the Social Security cards out and copy it from that. Otherwise you risk getting your return kicked back to you by the IRS.

- Last updated April 08 2014 06:31 PM ET
Search for Jobs