The Fire Sprinkler Incentive Act (FSIA) is the name of a piece of legislation that has been introduced in both the House and the Senate since 2003. The legislation would amend the 1986 Internal Revenue Code by classifying fire sprinkler retrofits as either a Section 179 depreciation deduction or a fifteen-year property for purposes of depreciation. Currently the tax depreciation time for commercial property is 39 years and 27.5 for residential.