irs efile opt out for form 1040
what form does my 1040 client need to sign to opt out of efile with IRS?
what form does my 1040 client need to sign to opt out of efile with IRS?


8948
You need to fill out the 8948 indicating your client chose not to efile. Your client needs to give you a signed statement saying so, there is no official form for this.