To amend the Internal Revenue Code of 1986 to provide that the proceeds of qualified mortgage bonds may be used to provide refinancing for subprime loans, to provide a temporary increase in the volume cap for qualified mortgage bonds used to provide that refinancing, and for other purposes.

Amends the Internal Revenue Code to: (1) allow proceeds of qualified mortgage bonds to be used to refinance certain residential subprime loans issued between 2002 and 2008; (2) increase in 2008 limitations on issuance amounts for qualified mortgage bonds; and (3) exempt tax-exempt interest on qualified mortgage or veterans' mortgage bonds issued before 2011 from the alternative minimum tax.