Travel control of citizens and aliens

Unless otherwise ordered by the President, it shall be unlawful— Except as otherwise provided by the President and subject to such limitations and exceptions as the President may authorize and prescribe, it shall be unlawful for any citizen of the United States to depart from or enter, or attempt to depart from or enter, the United States unless he bears a valid United States passport. The term “United States” as used in this section includes the Canal Zone, and all territory and waters, continental or insular, subject to the jurisdiction of the United States. The term “person” as used in this section shall be deemed to mean any individual, partnership, association, company, or other incorporated body of individuals, or corporation, or body politic. Nothing in this section shall be construed to entitle an alien to whom a permit to enter the United States has been issued to enter the United States, if, upon arrival in the United States, he is found to be inadmissible under any of the provisions of this chapter, or any other law, relative to the entry of aliens into the United States. The revocation of any rule, regulation, or order issued in pursuance of this section shall not prevent prosecution for any offense committed, or the imposition of any penalties or forfeitures, liability for which was incurred under this section prior to the revocation of such rule, regulation, or order. Passports, visas, reentry permits, and other documents required for entry under this chapter may be considered as permits to enter for the purposes of this section.