CFR›Title 49›Subtitle B›Chapter I›Part 178›Subpart B›49 CFR 178.33c Citation49 CFR 178.33cCorpusDaily eCFRDisplayed edition2026-09-17Last updated2026-09-17 § 178.33c Specification 2P; inner nonrefillable metal receptacle variation. Previous 178.33b-9 § 178.33b-9 Marking. Next 178.33c-1 § 178.33c-1 Compliance.