Part C—Lights and Shapes (§§ 2020—2031)
- § 2020. Application (Rule 20)
 - § 2021. Definitions (Rule 21)
 - § 2022. Visibility of lights (Rule 22)
 - § 2023. Power-driven vessels underway (Rule 23)
 - § 2024. Towing and pushing (Rule 24)
 - § 2025. Sailing vessels underway and vessels under oars (Rule 25)
 - § 2026. Fishing vessels (Rule 26)
 - § 2027. Vessels not under command or restricted in their ability to maneuver (Rule 27)
 - § 2028. [Reserved] (Rule 28)
 - § 2029. Pilot vessels (Rule 29)
 - § 2030. Anchored vessels and vessels aground (Rule 30)
 - § 2031. Seaplanes (Rule 31)