Any person who shall violate any rule or regulation promulgated in accordance with sections
666c of this title shall be guilty of a misdemeanor and upon conviction thereof shall be fined not more than $500 or imprisoned for not more than one year, or both.
(Mar. 10, 1934, ch. 55, § 7, as added Aug. 14, 1946, ch. 965, 60 Stat. 1080.)