Read the IRS letter carefully to see which technicality they are after you for.
You may only need to prove that you actually paid tuition, with school statements and cancelled checks and/or bank or credit card statements. The IRS has begun cracking down on schools that send out a 1098-T with box 1 blank. They are no longer accepting an amount in box 2, of a 1098-T, as proof that you paid tuition.
