That is what I thought and the instructions don't say to not mail with the forms if they were attached to the efiled return.  I think the word "attached" threw me.  When the form says "for efiled return" and then it says "file this form if you are attaching one or more of the ...."    Thank you sjrcpa.  Appreciate it.   I have never mailed it before and wondered if I was doing something wrong all these years. 🤔