Yes.
Efiling won't re-open until sometime in January. If you want penalties/interest on a delinquent return to stop accruing, I suggest paper file.
If there's a refund, waiting is *probably* not an issue.
And don't forget F.8??? explaining why the return isn't efiled.
"*******Tax software is no substitute for a professional tax preparer*******
( Generic Comment )"
