US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 153 — SHIPS CARRYING BULK LIQUID, LIQUEFIED GAS, OR COMPRESSED GAS HAZARDOUS MATERIALSSubpart B — Design and Equipment153.23246 C.F.R. § 153.232Type III system.Last amended: 2016Year: 2026Length: 43 wordsOfficial source Cite as 46 C.F.R. § 153.232 (2026)A type III containment system must be in either a type I, II, or III hull. The requirements for type I, II, and III hulls are in subpart F of part 172 of this chapter. [CGD 79-023, 48 FR 51009, Nov. 4, 1983]Previous46 C.F.R. § 153.231Next46 C.F.R. § 153.233