From www.IRS.gov:  IRS Tax Tip 2014-46
We all make mistakes. But if you make a mistake on your tax return, the IRS may need to contact you to correct it. That will delay your refund.
You can avoid most tax return errors by using IRS e-file. People who do their taxes on paper are about 20 times more likely to make an error than e-filers. IRS e-file is the most accurate way to file your tax return.
Here are eight common tax-filing errors to avoid:
1. Wrong or missing Social Security numbers.  Be sure you enter …