Aptheker v. Secretary of State

This appeal involves a single question: the constitutionality of § 6 of the Subversive Activities Control Act of 1950, 64 Stat. 993, 50 U. S. C. § 785. Section 6 provides in pertinent part that:

“(a) When a Communist organization1 ... is registered, or there is in effect a final order of the Board requiring such organization to register, it shall *502be unlawful for any member of such organization, with knowledge or notice that such organization is so registered or that such order has become final— “(1) to make application for a passport, or the renewal of a passport, to be issued or renewed by or…