1982—Pub. L. 97–362 designated existing provisions as subsec. (a), in subsec. (a), as so designated, substituted “liable for the tax imposed” for “liable for tax”, and added subsec. (b). 1974—Pub. L. 93–499 substituted “$500” for “$50”.
of 1982 Amendment Pub. L. 97–362, title I, § 109(c)(2), Oct. 25, 1982, 96 Stat. 1731, provided that: “The amendment made by subsection (b) [amending this section] shall take effect on July 1, 1983.”
of 1974 AmendmentAmendment by Pub. L. 93–499 effective Dec. 1, 1974, and applicable only with respect to wagers placed on or after such date, see
section 3(d)(1) of Pub. L. 93–499, set out as a note under
section 4401 of this title. Persons Engaged in Activities on
December 1, 1974, Requiring Payment of Tax; Persons Paying Tax and Registering Before
December 1, 1974 Pub. L. 93–499, § 3(d)(2), Oct. 29, 1974, 88 Stat. 1551, as amended by Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that: “(A) Any person who, on
December 1, 1974, is engaged in an activity which makes him liable for payment of the tax imposed by
section 4411 of the Internal Revenue Code of 1986 [formerly I.R.C. 1954] (as in effect on such date) shall be treated as commencing such activity on such date for purposes of such section and
section 4901 of such Code. “(B) Any person who, before
December 1, 1974.—“(i) became liable for and paid the tax imposed by
section 4411 of the Internal Revenue Code of 1986 (as in effect on
July 1, 1974) for the year ending
June 30, 1975, shall not be liable for any additional tax under such section for such year, and “(ii) registered under
section 4412 of such Code (as in effect on
July 1, 1974) for the year ending
June 30, 1975, shall not be required to reregister under such section for such year.”