Image via Wikipedia(f) Phaseout of marriage penalty in 15-percent bracket; adjustments in tax tables so that inflation will not result in tax increases
(1) In general
Not later than December 15 of 1993, and each subsequent calendar year, the Secretary shall prescribe tables which shall apply in lieu of the tables contained in subsections (a), (b), (c), (d), and (e) with respect to taxable years beginning in the succeeding calendar year.
(2) Method of prescribing tables
The table which under paragraph (1) is to apply in lieu of the table contained in subsection (a), (b), (c), (d), or (e), as the case may be, with respect to taxable years beginning in any calendar year shall be prescribed—
