§ 157.45. Valves in cargo or ballast piping system.
46 words·~1 min read·
/us/cfr/t33/s§ 157.45·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
When a tank vessel is at sea and the tanks contain oil, valves and closing devices in the cargo or ballast piping system or in the transfer system must be kept closed except they may be opened for cargo or ballast transfer to trim the vessel.