CFR›Title 49›Subtitle B›Chapter I›Part 179›Subpart C›49 CFR 179.101 Citation49 CFR 179.101CorpusDaily eCFRDisplayed edition2026-10-01Last updated2026-10-01 § 179.101 Individual specification requirements applicable to pressure tank car tanks. Previous 179.100-20 § 179.100-20 Stamping. Next 179.101-1 § 179.101-1 Individual specification requirements.