---
kind: "unit"
title: "8"
title_heading: "Aliens and Nationality"
key: "chI/subchB/part231"
level: "part"
label: "Part 231"
heading: "Arrival and Departure Manifests"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/8/chI-subchB-part231"
sections_count: 3
---

# Part 231 — Arrival and Departure Manifests

Title 8 C.F.R. — Aliens and Nationality › Chapter I — Department of Homeland Security › Subchapter B — Immigration Regulations

## Sections

- [§231.1. Electronic manifest and I-94 requirement for passengers and crew onboard arriving vessels and aircraft.](/cfr/8/231.1.md)
- [§231.2. Electronic manifest and I-94 requirement for passengers and crew onboard departing vessels and aircraft.](/cfr/8/231.2.md)
- [§231.3. Exemptions for private vessels and aircraft.](/cfr/8/231.3.md)