How does the IRS verify eligibiliy for home buyer tax credit?

My home was included in a Chapter 7 Bankruptcy. Discharge was back in 2005. However, my appraisal district's website shows that that the deed was not taken out of my name until September 2007. I closed on a new construction home before July 1st. the sales contract was done prior to May 1st. So I would... show more My home was included in a Chapter 7 Bankruptcy. Discharge was back in 2005. However, my appraisal district's website shows that that the deed was not taken out of my name until September 2007. I closed on a new construction home before July 1st. the sales contract was done prior to May 1st. So I would think that I would qualify for the tax credit. However, I am not sure if the IRS would exclude me for the tax credit because of the deed history. How does the IRS determine the eligibility dates? What process/system do they use to calculate the 3 year prior purchase period?
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