49 C.F.R. § 392.24 Emergency signals; flame-producing.
Title 49 - Transportation
No driver shall attach or permit any person to attach a lighted fusee or other flame-producing emergency signal to any part of a commercial motor vehicle. [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 C—Stopped Commercial Motor Vehicles
§ 392.24 Emergency signals; flame-producing.