When you e-file there is no physical signature on the tax form. You sign electronically by entering your AGI or PIN. The people you may be dealing with must be pretty out of touch with how modern tax returns are filed. If they insist on a "signed" copy then print your return, take out a pen and sign it next to the words "Sign here" for them.
**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.**
