StacksVerified U.S. regulatory reference

46 CFR §153.235

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Cargo piping must not be located in those areas from which a containment system is excluded by §§ 153.230(b), 153.231(b), and 153.234(b) unless the cargo piping:
  1. (a)Drains back to the cargo tank under any heel or trim resulting from the damage specified in § 172.135 of this chapter; and
  2. (b)Enters the cargo tank above the liquid level for a full tank in any condition of heel or trim resulting from the damage specified in § 172.135 of this chapter.