CFR › Title 46 › Part 45 › §45.17946 CFR §45.179Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Only dry cargoes may be carried. Liquid cargoes, even in drums or tank containers, may not be carried.(b)Hazardous materials, as defined in part 148 of this chapter and 49 CFR chapter 1, subchapter C, may not be carried.