Pub. L. 107-16, tit. III, sec. 302
PHASEOUT OF MARRIAGE PENALTY IN 15-PERCENT BRACKET.
SEC. 302. PHASEOUT OF MARRIAGE PENALTY IN 15-PERCENT BRACKET. (a) In General.—Section 1(f) (relating to adjustments in tax tables so that inflation will not result in tax increases) is amended by adding at the end the following new paragraph: “(8) Phaseout of marriage penalty in 15-percent bracket.— “(A) In general.—With respect to taxable years beginning after December 31, 2004, in prescribing the tables under paragraph (1)— “(i) the maximum taxable income in the 15-percent rate bracket in the table contained in subsection (a) (and the minimum taxable income in the next higher taxable income bracket in such table) shall be the applicable percentage of the maximum taxable income in the 15-percent rate bracket in the table contained in subsection (c) (after any other adjustment under this subsection), and “(ii) the comparable taxable income amounts in the table contained in subsection (d) shall be ½ of the amounts determined under clause (i). “(B) Applicable percentage.—For purposes of subparagraph (A), the applicable percentage shall be determined in accordance with the following table: “For taxable years beginning in calendar year— The applicable percentage is— 2005 180 2006 187 2007 193 2008 and thereafter 200. “(C) Rounding.—If any amount determined under subparagraph (A)(i) is not a multiple of $50, such amount shall be rounded to the next lowest multiple of $50.”. (b) Technical Amendments.— (1) Subparagraph (A) of section 1(f)(2) is amended by inserting “except as provided in paragraph (8),” before “by increasing”. (2) The heading for subsection (f) of section 1 is amended by inserting “Phaseout of Marriage Penalty in 15-Percent Bracket;” before “Adjustments”. (c) Effective Date.—The amendments made by this section shall apply to taxable years beginning after December 31, 2004.115 STAT. 55