To amend the Internal Revenue Code of 1986 to allow an ordinary and necessary business expense deduction for contributions to regional infrastructure improvement zones, and for other purposes.

Amends the Internal Revenue Code to allow a taxpayer to elect, during the five-year period after the enactment of this Act, to treat any contribution to a qualified regional infrastructure improvement zone as a tax deductible ordinary and necessary business expense. Defines "qualified regional infrastructure improvement zone" as any zone created and designated by a multi-jurisdictional regional planning organization to undertake public infrastructure improvement projects.