CFR›Title 49›Subtitle B›Chapter I›Part 179›Subpart C›49 CFR 179.100 Citation49 CFR 179.100CorpusDaily eCFRDisplayed edition2026-09-11Last updated2026-09-11 § 179.100 General specifications applicable to pressure tank car tanks. Next 179.100-1 § 179.100-1 Tanks built under these specifications shall comply with the requirements of §§ 179.100, 179.101 and when applicable, §§ 179.102 and 179.103.