CFR›Title 49›Subtitle B›Chapter I›Part 178›Subpart J›49 CFR 178.348 Citation49 CFR 178.348CorpusDaily eCFRDisplayed edition2026-07-14Last updated2026-07-14 § 178.348 Specification DOT 412; cargo tank motor vehicle. Previous 178.347-5 § 178.347-5 Pressure and leakage test. Next 178.348-1 § 178.348-1 General requirements.