If you are filing by MAIL you attach copies of any 1099's that show tax withheld. If you e-filed then you do not mail in anything----you just make sure that you enter the data from all of your various kinds of 1099's into the soffware.
**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.**
