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That's helpful, but if you received that message ("Your Federal return was accepted.") and you owed money, you paid it electronically from a bank account on tax day and the transaction was confirmed by your bank—does that mean your amount due (and paid) is a 'done deal' (i.e., the IRS 'agreed' with the amount owed and paid) in terms of no penalty/interest due, and no likely chance of an audit, at that point?