I *think* it's an absolute. Once the IRS locks the door I don't think resubmitting would work.
But I don't know that for sure.
"the game of life is hard to play"
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Since nobody has been able to provide a definitive answer, I will - once it is shutoff, it is shutoff. Of course, I don't know anything more than anyone else here, but someone had to be definitive. Besides, I'm thinking the IRS does a better job of shutting the door than Intuit. I tend to believe them when they say the door is closed, I'm going to assume they really mean it.
You need the Intuit Scope Creep module, which includes a Disengagement Letter to clients advising them that if they can't get their act together by November 15 so you can file their return while allowing time for IRS deadlines, then they owe you an additional $100 for a draft copy of their return on paper and a map to their nearest H&R Block office.