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thank you , I agree it seems that would be the best proof as it is computer generated and  dated. But that is only a small  part of what I was told . And don't you all agree  this is extremely important information that should be common knowledge, especially now with all the possible computer glitches and IRS so overwhelmed and behind with data. I have called TT agents 4 times and only 2 out of the 4 had any knowledge of proof in TT Business' ( although they were pretty secure about TT Home and Business 1040, which is completly different from Business)and only one  of the two agents was very sure of himself. He said the only form necessary to prove timely and successful E-filing was the E filing instructions page. Whoa! it is not even dated!! He said because you can not E-file after a certain date it will disappear as an option, unless filed within the deadline, so it can not appear in your tax documents for that year, unless filed by i.e. Oct 15 deadline .  He said this instruction page includes the fact that 1.you signed and dated the attached  PE form and that is your proof of date of Efile and 2. No other document must be signed and 3. you must keep this form  . He said  this page can not be added to final chart until efile has been successfully accepted and it can not be added after the fact . Yes I realize it says " forms you must keep (this form)" with your permanent tax file but why doesn't it just say this is proof of successful filing , must keep to verify Efile? To me, it only looks like instructions and is really not important . Is there anyone out there who concurs with this?