Payments to the bank or lending institution holding your mortgage may include interest, principal payments, taxes, and insurance premiums. You may deduct eligible home mortgage interest (15.2, 15.3), taxes (16.4), and mortgage insurance premiums.
In the year you sell your home, check your settlement papers for interest charged up to the date of sale; this amount is deductible.
The law that allowed a deduction for mortgage insurance premiums expired at the end of 2011. Unless Congress extends the law, any insurance premiums paid in 2012 are not deductible. Prepayments of premiums allocable to 2012 are also not deductible, so if you prepaid premiums before 2012 that were deductible under IRS rules over the shorter of the mortgage term or 84 months, any prepaid amount allocable to 2012 will not be deductible unless Congress extends the prior law. See the e-Supplement at jklasser.com for an update, if any, on a possible extension to 2012.
If you qualify for the special tax credit for interest on qualified ...