33 CFR §155.775
- (a)For the purposes of this section, “oil” has the same meaning as provided in § 151.05 of this chapter.
- (b)A cargo tank on a tank vessel may not be filled with oil higher than—
- (1)98.5 percent of the cargo tank volume; or
- (2)The level at which the overfill alarm required by § 155.480 is set.