CFR›Title 49›Subtitle B›Chapter I›Part 178›Subpart B›49 CFR 178.33 Citation49 CFR 178.33CorpusDaily eCFRDisplayed edition2026-07-06Last updated2026-07-06 § 178.33 Specification 2P; inner nonrefillable metal receptacles. Next 178.33-1 § 178.33-1 Compliance.