StacksVerified U.S. regulatory reference

49 CFR §179.202-9

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
The tank car tank must be equipped with top fittings protection conforming to AAR Specifications for Tank Cars, appendix E paragraph 10.2.1 (IBR, see § 171.7 of this subchapter).