CFR›Title 49›Subtitle B›Chapter I›Part 179›Subpart D›49 CFR 179.200 Citation49 CFR 179.200CorpusDaily eCFRDisplayed edition2026-09-09Last updated2026-09-09 § 179.200 General specifications applicable to non-pressure tank car tanks (Class DOT-111, DOT-117). Next 179.200-1 § 179.200-1 Tank built under these specifications must meet the applicable requirements in this part.