Accelerated depreciation on property placed in service after 1986.
Certain costs associated with limited partnership programs, such as research and development costs and excess intangible drilling costs.
Local tax and interest on investments that do not generate income.
Tax-exempt interest in private purpose municipal bonds issued after August 7, 1986.
Incentive stock options to the extent that the fair market value of the employee's stock is in excess of the strike price of the option, even when the stock is not sold in that year.