2000—Subsec. (a). Pub. L. 106–554 inserted “, or with respect to a securities futures contract (as defined in section 1234B),” after “an option” in second sentence.

1984—Subsec. (a). Pub. L. 98–369 inserted provision that no gain or loss shall be recognized by a corporation with respect to any lapse or acquisition of an option to buy or sell its stock (including treasury stock).

Pub. L. 106–554, § 1(a)(7) [title IV, § 401(j)], Dec. 21, 2000, 114 Stat. 2763, 2763A–651, provided that: “The amendments made by this section [enacting section 1234B of this title and amending this section and sections 1091, 1092, 1223, 1233, 1234A, 1256 and 7701 of this title] shall take effect on the date of the enactment of this Act [Dec. 21, 2000].”

Pub. L. 98–369, div. A, title I, § 57(b), July 18, 1984, 1984, 98 Stat. 574, provided that: “The amendment made by subsection (a) [amending this section] shall apply to options acquired or lapsed after the date of the enactment of this Act [July 18, 1984] in taxable years ending after such date.”