CFR›Title 22›Chapter I›Part 53 ContainsSections 53.1–53.4CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 53—PASSPORT REQUIREMENT AND EXCEPTIONS Sections 53.1 § 53.1 Passport requirement; definitions. 53.2 § 53.2 Exceptions. 53.3 § 53.3 Attempt of a citizen to enter without a valid passport. 53.4 § 53.4 Optional use of a valid passport. Authority8 U.S.C. 1185; 8 U.S.C. 1185 note (section 7209 of Pub. L. 108-458); E.O. 13323, 69 FR 241 (Dec. 30, 2003).Source71 FR 68430, Nov. 24, 2006, unless otherwise noted. Previous 51 Part 51—Passports Next 61 Part 61—World-Wide Free Flow of Audio-Visual Materials