46 CFR §153.488

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

Unless waived under § 153.491, for a ship to have its Certificate of Inspection or Certificate of Compliance endorsed allowing a tank to carry a Category B NLS with a melting point of 15 °C or more, the cargo tank must have—

(a)An arrangement enabling the cargo to be heated before cargo transfer, using heat supplied by the ship or by another source; and
(b)Sides and bottom separate from the ship's side or bottom shell plating.