168(b)(2) is amended by striking subparagraph (B) and by redesignating subparagraphs (C) and (D) as subparagraphs (B) and (C), respectively. (c) Effective date The amendments made by this section shall apply to property placed in service after December 31, 2017, in taxable years ending after such date. 13204. Applicable recovery period for real property (a) Residential rental property and nonresidential real property (1) Reduction of recovery period The table contained in section 168(c) is amended— (A) by striking 27.5 years and inserting 25 years , and (B) by striking 39 years and inserting 25 years . (2) Statutory recovery period The table contained in section 467(e)(3)(A) is amended— (A) by inserting (other than residential rental property and nonresidential real property) after 15-year and 20-year property , and (B) by striking 19 years and inserting 25 years . (3) Conforming amendment Clause (ii) of section 168(e)(2)(B) is amended by striking 27.5 years and inserting 25 years . (b) Improvements to real property (1) Classification of qualified improvement property as 10-year property Subparagraph (D) of section 168(e)(3) is amended— (A) in clause (iii), by striking and , (B) in clause (iv), by striking the period and inserting , and , and (C) by adding at the end the following new clause: (v) any qualified improvement property described in subsection (e)(6). . (2) Elimination of qualified leasehold improvement, qualified restaurant, and qualified retail improvement property Subsection (e) of section 168 is amended— (A) in subparagraph (E) of paragraph (3)— (i) by striking clauses (iv), (v), and (ix), (ii) in clause (vii), by inserting and at the end, (iii) in clause (viii), by striking , and and inserting a period, and (iv) by redesignating clauses (vi), (vii), and (viii), as so amended, as clauses (iv), (v), and (vi), respectively, and (B) by striking paragraphs (6), (7), and (8). (3) Application of straight line method to qualified improvement property Paragraph (3) of section 168(b) is amended— (A) by