CHAPTER III--FEDERAL MOTOR CARRIER SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
PART 392--DRIVING OF COMMERCIAL MOTOR VEHICLES
Subpart G--Prohibited Practices
Sec. 392.71 Radar detectors; use and/or possession.
(a) No driver shall use a radar detector in a commercial motor vehicle, or operate a commercial motor vehicle that is equipped with or contains any radar detector.
(b) No motor carrier shall require or permit a driver to violate paragraph (a) of this section.