CFR > Title 46 > Chapter I > Subchapter D > Part 39 > Subpart 39.4000 CFR > Title 46 > Chapter I > Subchapter D > Part 39 > Subpart 39.4000 – Vessel-to-Vessel Transfers Using Vapor Balancing Current as of: 2024 | Check for updates | Other versions § 39.4001 General requirements for vapor balancing–TB/ALL § 39.4003 Design and equipment for vapor balancing–TB/ALL § 39.4005 Operational requirements for vapor balancing–TB/ALL