The customs laws, referred to in subsec. (b), are classified generally to this title.
In subsec. (c)(1), “section
42
(a) of title
18” substituted for “section 241 of the Criminal Code [
18 U.S.C. 391]” on authority of act June 25, 1948, ch. 645,
62 Stat. 683, the first section of which enacted Title 18, Crimes and Criminal Procedure.