1990—
Pub. L. 101–508, title XI, § 11103(d), Nov. 5, 1990,
104 Stat. 1388–407, added item 68.
1986—
Pub. L. 99–514, title I, § 132(d), Oct. 22, 1986,
100 Stat. 2116, added item 67.
1984—
Pub. L. 98–369, div. A, title IV, § 424(b)(2)(C), July 18, 1984,
98 Stat. 803, struck out “where spouses live apart” in item 66.
1980—
Pub. L. 96–605, title I, § 101(b), Dec. 28, 1980,
94 Stat. 3522, added item 66.
1976—
Pub. L. 94–455, title XIX, § 1901(b)(4)(A), (B), Oct. 4, 1976,
90 Stat. 1793, substituted “TAXABLE INCOME, ETC.” for “AND TAXABLE INCOME” in part heading, and added items 64 and 65.