Potter Stewart,
United States v. Campos-Serrano…
“ The Alien Registration Act of 1940 required that an alien present one of three special documents-a visa, a re-entry permit, or a border-crossing identification card-in order to come into the United States. 54 Stat. 673.↑ The 1952 INS regulation provided that the alien registration receipt card could be used as a permissible substitute for a visa of a re-entry permit in effecting a re-entry into this country from a contiguous country. ”
