46 CFR § 153.920
Cargo quantity limitations
April 15, 2021
(a) No person may load a cargo tank or operate a tankship that carries a cargo tank containing in excess of 1250 m3 (approx. 44,138 ft3) of cargo requiring a type I containment system.
(b) No person may load a cargo tank or operate a tankship that carries a cargo tank containing in excess of 3000 m3 (approx. 105,932 ft3) of a cargo requiring a type II containment system.