The Internal Revenue Service checks all e-filed tax returns and will automatically reject your TurboTax filing if there are discrepancies the data. You have a look at the list below to check why the IRS may have rejected your tax return: • The Social Security number (SSN) mentioned is incorrect. • Tax return includes a Taxpayer Identification Number that is invalid. • The name on your tax return was misspelled or did not match IRS records. • TurboTax filing is missing a form that is required by the IRS. In case you need to make any changes to your TurboTax filing you can call the Turbotax technical support number and ask for additional technical assistance.