CFR›Title 8›Chapter I›Part 231 ContainsSections 231.1–231.3CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 231—ARRIVAL AND DEPARTURE MANIFESTS Sections 231.1 § 231.1 Electronic manifest and I-94 requirement for passengers and crew onboard arriving vessels and aircraft. 231.2 § 231.2 Electronic manifest and I-94 requirement for passengers and crew onboard departing vessels and aircraft. 231.3 § 231.3 Exemptions for private vessels and aircraft. Authority8 U.S.C. 1101, 1103, 1182, 1221, 1228, 1229; 8 CFR part 2. Previous 223 Part 223—Reentry Permits, Refugee Travel Documents, and Advance Parole Documents Next 232 Part 232—Detention of Aliens for Physical and Mental Examination