26 U.S. Code Part I - TAX ON INDIVIDUALS

1976—Pub. L. 94–455, title V, § 501(c)(1), Oct. 4, 1976, 90 Stat. 1559, substituted “Tax tables for individuals having taxable income of less than $20,000” for “Optional tax tables for individuals” in item 3 and struck out item 4 relating to rules for optional tax.

1969—Pub. L. 91–172, title VIII, § 803(d)(9), Dec. 30, 1969, 83 Stat. 685, substituted “Definitions and special rules” and “Optional tax tables for individuals” for “Tax in case of joint return or return of surviving spouse” and “Optional tax if adjusted gross income is less than $5,000” in items 2 and 3, respectively.