19 U.S.C. § 1593 June 25, 1948, ch. 645, §21, 62 Stat. 862, eff. Sept. 1, 1948 Section, act June 17, 1930, ch. 497, title IV, §593, 46 Stat. 751, related to smuggling and clandestine importations. See section 545 of Title 18, Crimes and Criminal Procedure.