US lawFederal (United States)RegulationsTitle 46 CFR — ShippingChapter I — COAST GUARD, DEPARTMENT OF HOMELAND SECURITYPart 30 — GENERAL PROVISIONSSubpart 30.10—Definitions30.10-3346 C.F.R. § 30.10-33Great Lakes—TB/L.Last amended: 2016Year: 2026Length: 13 wordsOfficial source Cite as 46 C.F.R. § 30.10-33 (2026)Under this designation shall be included all tank vessels navigating the Great Lakes.Previous46 C.F.R. § 30.10-31Next46 C.F.R. § 30.10-35