CFR › Title 46 › Part 153 › §153.28046 CFR §153.280Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Each cargo piping system must meet the standards of Part 56 and §§ 38.10-1(b), 38.10-1(e), and 38.10-10(a) of this chapter.(b)Piping carrying cargo or cargo residue may not enter any machinery space except a cargo pumproom.