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It may not be that your pin is incorrect.  Had a problem last year filing that kept getting rejected and our problem was the previous year's AGI.  Had to enter 0 because the IRS had not completed the return in time to use the AGI.  I would suggest you log into your account on IRS.com and view your last year's info.  Pay attention to the date it was accepted by IRS (ours was almost 8 months later than our filing date).  If that is the reason than you just need to enter 0 for the previous year's AGI and it should get accepted.  They are so far behind it very well could be the same issue.  Hope this helps