subsection (a) is allowed. (d) Limitation An expenditure shall be taken into account in determining the qualified hurricane and tornado mitigation property expenditures made by the taxpayer during the taxable year only if the onsite preparation, assembly, or original installation of the property with respect to which such expenditure is made has been completed in a manner that is deemed to be adequate by a State-certified inspector. (e) Labor costs For purposes of this section, expenditures for labor costs properly allocable to the onsite preparation, assembly, or original installation of the property described in subsection (c) shall be taken into account in determining the qualified hurricane and tornado mitigation property expenditures made by the taxpayer during the taxable year. (f) Inspection costs For purposes of this section, expenditures for inspection costs properly allocable to the inspection of the preparation, assembly, or installation of the property described in subsection (c) shall be taken into account in determining the qualified hurricane and tornado mitigation property expenditures made by the taxpayer during the taxable year. . (b) Conforming amendment The table of sections for subpart A of part IV of subchapter A of chapter 1 of such Code is amended by inserting after the item relating to section 25D the following new item: Sec. 25E. Hurricane and tornado mitigation property. . (c) Effective date The amendments made by this section shall apply to taxable years beginning after December 31, 2016. 3. Business-related credit for hurricane and tornado mitigation (a) In general Subpart D of part IV of subchapter A of chapter 1 of the Internal Revenue Code of 1986 is amended by inserting after section 45R the following new section: 45S. Hurricane and tornado mitigation credit (a) General rule For purposes of section 38, the hurricane and tornado mitigation credit determined under this section for any taxable year is an amount equal to 25 percent of the qualified hurricane and tornado mitigation