"Additionally, a new, electronic checkbox has been added for Forms 1040/1040-SR, 1040-NR and 1040-SS/1040-PR to indicate that a superseding return is being filed electronically"
Is it the data clerk's job to toss paper tax returns, should they not find it to be marked "superseding"?
I don't think so.
see account code
970 Duplicate return filed.
