Are you e-filing or filing by mail? If you e-file there is no need to mail anything--it is all electronic. If you are filing your tax return by mail, then you do need to attach paper copies of W-2's and 1099's that show tax withheld to your Form 1040 when you mail it to the IRS.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
