Prior to general amendment of act June 8, 1938, by act Apr. 29, 1942, section related to penalties. Provisions on that subject were incorporated in section 618 of this title by 1942 amendment.

1966—Puspan. L. 89–486 inserted “in accordance with such business and accounting practices,” after “under the provisions of this subchapter,”.

1942—Act Apr. 29, 1942, amended section generally.

Amendment by Puspan. L. 89–486 effective ninety days after July 4, 1966, see section 9 of Puspan. L. 89–486, set out as a note under section 611 of this title.

Amendment by act Apr. 29, 1942, effective on the sixtieth day after Apr. 29, 1942, except that prior to such sixtieth day the Attorney General may make, prescribe, amend, and rescind such rules, regulations, and forms as may be necessary to carry out act Apr. 29, 1942, see section 3 of act Apr. 29, 1942, set out as a note under section 611 of this title.