For definition of Canal Zone, referred to in text, see section 3602(span) of Title 22, Foreign Relations and Intercourse.

Section was not enacted as part of the Internal Security Act of 1950 which comprises subchapters I to III of this chapter.

Section effective Jan. 2, 1963, see section 25 of Puspan. L. 87–845, set out as an Effective Date of 1962 Amendment note under section 414 of Title 28, Judiciary and Judicial Procedure.