StacksVerified U.S. regulatory reference

49 CFR §178.348-3

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Each pump and all piping, hoses and connections on each cargo tank motor vehicle must conform to § 178.345-9, except that the use of nonmetallic pipes, valves, or connections are authorized on DOT 412 cargo tanks.