The question really is "DOES THE IRS GET THIS FORM OR NOT"?
If it just enables Turbotax to forward it on, with an e-signature in lieu of this form, then it's not necessary to mail it.
But, if it actually goes with the return, then, yeah, I need to send it on. There is no MAILING ADDRESS associated with this form, so I am just going to send it to my processing center.
