II 115th CONGRESS 1st Session S. 602 IN THE SENATE OF THE UNITED STATES March 9, 2017 Ms. Collins (for herself and Mr. Carper ) introduced the following bill; which was read twice and referred to the Committee on Finance A BILL To amend the Internal Revenue Code of 1986 to include automated fire sprinkler system retrofits as section 179 property and classify certain automated fire sprinkler system retrofits as 15-year property for purposes of depreciation.