49 C.F.R. § 392.67 Heater, flame-producing; on commercial motor vehicle in motion.
Title 49 - Transportation
No open flame heater used in the loading or unloading of the commodity transported shall be in operation while the commercial motor vehicle is in motion. [33 FR 19732, Dec. 25, 1968, as amended at 60 FR 38747, July 28, 1995]
Title 49: Transportation
PART 392—DRIVING OF COMMERCIAL MOTOR VEHICLES
Subpart G—Prohibited Practices
§ 392.67 Heater, flame-producing; on commercial motor vehicle in motion.

