Close the SILO/LILO Loophole Act of 2009 - Amends the Internal Revenue Code to: (1) impose a 100% excise tax on any income or benefits received from a SILO (sale-in/lease-out) or LILO (lease-in/lease-out) transaction involving a financial institution and a public entity; and (2) deny a tax deduction for attorney fees or other costs incurred by a party to a SILO or LILO transaction seeking to enforce the terms of such transaction.